mac80211: fix station info tx bytes (#13567)
[openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
index 64067f2..305cb8f 100644 (file)
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath
- static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
-                                struct ath_tx_status *ts)
- {
--      struct ar9003_txc *txc = (struct ar9003_txc *) ds;
-       struct ar9003_txs *ads;
      u32 status;
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -234,6 +234,7 @@ struct ath_buf {
+       dma_addr_t bf_daddr;            /* physical addr of desc */
+       dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
+       bool bf_stale;
++      struct ieee80211_tx_rate rates[4];
+       struct ath_buf_state bf_state;
};
  
-@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct 
-       if ((status & AR_TxDone) == 0)
-               return -EINPROGRESS;
+@@ -250,9 +251,9 @@ struct ath_atx_tid {
+       int tidno;
+       int baw_head;   /* first un-acked tx buffer */
+       int baw_tail;   /* next unused tx buffer slot */
+-      int sched;
+-      int paused;
+-      u8 state;
++      bool sched;
++      bool paused;
++      bool active;
+ };
  
--      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
--      if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
--              ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
--      else
--              return -ENOENT;
-+      ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-       if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
-           (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
-@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct 
-       ts->ts_seqnum = MS(status, AR_SeqNum);
-       ts->tid = MS(status, AR_TxTid);
-+      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-       ts->desc_id = MS(ads->status1, AR_TxDescId);
-       ts->ts_tstamp = ads->status4;
-       ts->ts_status = 0;
-@@ -440,20 +436,14 @@ int ath9k_hw_process_rxdesc_edma(struct 
-       struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
-       unsigned int phyerr;
--      /* TODO: byte swap on big endian for ar9300_10 */
--
--      if (!rxs) {
--              if ((rxsp->status11 & AR_RxDone) == 0)
--                      return -EINPROGRESS;
--
--              if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
--                      return -EINVAL;
-+      if ((rxsp->status11 & AR_RxDone) == 0)
-+              return -EINPROGRESS;
+ struct ath_node {
+@@ -273,10 +274,6 @@ struct ath_node {
+ #endif
+ };
  
--              if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
--                      return -EINPROGRESS;
-+      if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
-+              return -EINVAL;
+-#define AGGR_CLEANUP         BIT(1)
+-#define AGGR_ADDBA_COMPLETE  BIT(2)
+-#define AGGR_ADDBA_PROGRESS  BIT(3)
+-
+ struct ath_tx_control {
+       struct ath_txq *txq;
+       struct ath_node *an;
+@@ -658,11 +655,10 @@ enum sc_op_flags {
+ struct ath_rate_table;
+ struct ath9k_vif_iter_data {
+-      const u8 *hw_macaddr; /* phy's hardware address, set
+-                             * before starting iteration for
+-                             * valid bssid mask.
+-                             */
++      u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
+       u8 mask[ETH_ALEN]; /* bssid mask */
++      bool has_hw_macaddr;
++
+       int naps;      /* number of AP vifs */
+       int nmeshes;   /* number of mesh vifs */
+       int nstations; /* number of station vifs */
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1171,6 +1171,7 @@ u32 ath9k_regd_get_ctl(struct ath_regula
+ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
+ {
+       struct ath_common *common = ath9k_hw_common(ah);
++      int txbuf_size;
  
--              return 0;
--      }
-+      if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
-+              return -EINPROGRESS;
+       ENABLE_REGWRITE_BUFFER(ah);
  
-       rxs->rs_status = 0;
-       rxs->rs_flags =  0;
-@@ -510,7 +500,11 @@ int ath9k_hw_process_rxdesc_edma(struct 
+@@ -1224,13 +1225,17 @@ static inline void ath9k_hw_set_dma(stru
+                * So set the usable tx buf size also to half to
+                * avoid data/delimiter underruns
                 */
-               if (rxsp->status11 & AR_CRCErr)
-                       rxs->rs_status |= ATH9K_RXERR_CRC;
--              else if (rxsp->status11 & AR_PHYErr) {
-+              else if (rxsp->status11 & AR_DecryptCRCErr)
-+                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
-+              else if (rxsp->status11 & AR_MichaelErr)
-+                      rxs->rs_status |= ATH9K_RXERR_MIC;
-+              if (rxsp->status11 & AR_PHYErr) {
-                       phyerr = MS(rxsp->status11, AR_PHYErrCode);
-                       /*
-                        * If we reach a point here where AR_PostDelimCRCErr is
-@@ -532,11 +526,7 @@ int ath9k_hw_process_rxdesc_edma(struct 
-                               rxs->rs_status |= ATH9K_RXERR_PHY;
-                               rxs->rs_phyerr = phyerr;
-                       }
--
--              } else if (rxsp->status11 & AR_DecryptCRCErr)
--                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
--              else if (rxsp->status11 & AR_MichaelErr)
--                      rxs->rs_status |= ATH9K_RXERR_MIC;
-+              };
+-              REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
+-                        AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
+-      } else if (!AR_SREV_9271(ah)) {
+-              REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
+-                        AR_PCU_TXBUF_CTRL_USABLE_SIZE);
++              txbuf_size = AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE;
++      } else if (AR_SREV_9340_13_OR_LATER(ah)) {
++              /* Uses fewer entries for AR934x v1.3+ to prevent rx overruns */
++              txbuf_size = AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE;
++      } else {
++              txbuf_size = AR_PCU_TXBUF_CTRL_USABLE_SIZE;
        }
  
-       if (rxsp->status11 & AR_KeyMiss)
---- a/drivers/net/wireless/ath/carl9170/tx.c
-+++ b/drivers/net/wireless/ath/carl9170/tx.c
-@@ -1236,6 +1236,7 @@ static bool carl9170_tx_ps_drop(struct a
- {
-       struct ieee80211_sta *sta;
-       struct carl9170_sta_info *sta_info;
-+      struct ieee80211_tx_info *tx_info;
++      if (!AR_SREV_9271(ah))
++              REG_WRITE(ah, AR_PCU_TXBUF_CTRL, txbuf_size);
++
+       REGWRITE_BUFFER_FLUSH(ah);
+       if (AR_SREV_9300_20_OR_LATER(ah))
+@@ -1305,9 +1310,13 @@ static bool ath9k_hw_set_reset(struct at
+                       AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
+       } else {
+               tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
+-              if (tmpReg &
+-                  (AR_INTR_SYNC_LOCAL_TIMEOUT |
+-                   AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
++              if (AR_SREV_9340(ah))
++                      tmpReg &= AR9340_INTR_SYNC_LOCAL_TIMEOUT;
++              else
++                      tmpReg &= AR_INTR_SYNC_LOCAL_TIMEOUT |
++                                AR_INTR_SYNC_RADM_CPL_TIMEOUT;
++
++              if (tmpReg) {
+                       u32 val;
+                       REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+@@ -1366,7 +1375,10 @@ static bool ath9k_hw_set_reset(struct at
+       REGWRITE_BUFFER_FLUSH(ah);
+-      udelay(50);
++      if (AR_SREV_9100(ah))
++              mdelay(10);
++      else
++              udelay(50);
+       REG_WRITE(ah, AR_RTC_RC, 0);
+       if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
+@@ -1377,8 +1389,12 @@ static bool ath9k_hw_set_reset(struct at
+       if (!AR_SREV_9100(ah))
+               REG_WRITE(ah, AR_RC, 0);
+-      if (AR_SREV_9100(ah))
++      if (AR_SREV_9100(ah) && type != ATH9K_RESET_WARM) {
++              if (ah->external_reset)
++                      ah->external_reset();
++
+               udelay(50);
++      }
+       return true;
+ }
+@@ -1464,7 +1480,8 @@ static bool ath9k_hw_chip_reset(struct a
+                       reset_type = ATH9K_RESET_POWER_ON;
+               else
+                       reset_type = ATH9K_RESET_COLD;
+-      } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
++      } else if (ah->chip_fullsleep ||
++                 REG_READ(ah, AR_Q_TXE) ||
+                  (REG_READ(ah, AR_CR) & AR_CR_RXE))
+               reset_type = ATH9K_RESET_COLD;
+@@ -1698,12 +1715,11 @@ static void ath9k_hw_reset_opmode(struct
+       ENABLE_REGWRITE_BUFFER(ah);
+-      REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
+-      REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
+-                | macStaId1
++      REG_RMW(ah, AR_STA_ID1, macStaId1
+                 | AR_STA_ID1_RTS_USE_DEF
+                 | (ah->config.ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
+-                | ah->sta_id1_defaults);
++                | ah->sta_id1_defaults,
++                ~AR_STA_ID1_SADH_MASK);
+       ath_hw_setbssidmask(common);
+       REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
+       ath9k_hw_write_associd(ah);
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -839,10 +839,14 @@ static void ath9k_vif_iter(void *data, u
+       struct ath9k_vif_iter_data *iter_data = data;
+       int i;
+-      if (iter_data->hw_macaddr)
++      if (iter_data->has_hw_macaddr) {
+               for (i = 0; i < ETH_ALEN; i++)
+                       iter_data->mask[i] &=
+                               ~(iter_data->hw_macaddr[i] ^ mac[i]);
++      } else {
++              memcpy(iter_data->hw_macaddr, mac, ETH_ALEN);
++              iter_data->has_hw_macaddr = true;
++      }
  
-       rcu_read_lock();
-       sta = __carl9170_get_tx_sta(ar, skb);
-@@ -1243,12 +1244,13 @@ static bool carl9170_tx_ps_drop(struct a
-               goto out_rcu;
+       switch (vif->type) {
+       case NL80211_IFTYPE_AP:
+@@ -891,7 +895,6 @@ void ath9k_calculate_iter_data(struct ie
+        * together with the BSSID mask when matching addresses.
+        */
+       memset(iter_data, 0, sizeof(*iter_data));
+-      iter_data->hw_macaddr = common->macaddr;
+       memset(&iter_data->mask, 0xff, ETH_ALEN);
+       if (vif)
+@@ -901,6 +904,8 @@ void ath9k_calculate_iter_data(struct ie
+       ieee80211_iterate_active_interfaces_atomic(
+               sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+               ath9k_vif_iter, iter_data);
++
++      memcpy(common->macaddr, iter_data->hw_macaddr, ETH_ALEN);
+ }
+ /* Called with sc->mutex held. */
+@@ -1327,6 +1332,7 @@ static int ath9k_sta_add(struct ieee8021
+       struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+       struct ath_node *an = (struct ath_node *) sta->drv_priv;
+       struct ieee80211_key_conf ps_key = { };
++      int key;
+       ath_node_attach(sc, sta, vif);
+@@ -1334,7 +1340,9 @@ static int ath9k_sta_add(struct ieee8021
+           vif->type != NL80211_IFTYPE_AP_VLAN)
+               return 0;
+-      an->ps_key = ath_key_config(common, vif, sta, &ps_key);
++      key = ath_key_config(common, vif, sta, &ps_key);
++      if (key > 0)
++              an->ps_key = key;
  
-       sta_info = (void *) sta->drv_priv;
--      if (unlikely(sta_info->sleeping)) {
--              struct ieee80211_tx_info *tx_info;
-+      tx_info = IEEE80211_SKB_CB(skb);
+       return 0;
+ }
+@@ -1351,6 +1359,7 @@ static void ath9k_del_ps_key(struct ath_
+           return;
+       ath_key_delete(common, &ps_key);
++      an->ps_key = 0;
+ }
  
-+      if (unlikely(sta_info->sleeping) &&
-+          !(tx_info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
-+                              IEEE80211_TX_CTL_CLEAR_PS_FILT))) {
-               rcu_read_unlock();
+ static int ath9k_sta_remove(struct ieee80211_hw *hw,
+@@ -1678,6 +1687,7 @@ static int ath9k_ampdu_action(struct iee
+                             u16 tid, u16 *ssn, u8 buf_size)
+ {
+       struct ath_softc *sc = hw->priv;
++      bool flush = false;
+       int ret = 0;
  
--              tx_info = IEEE80211_SKB_CB(skb);
-               if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
-                       atomic_dec(&ar->tx_ampdu_upload);
+       local_bh_disable();
+@@ -1694,12 +1704,14 @@ static int ath9k_ampdu_action(struct iee
+                       ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+               ath9k_ps_restore(sc);
+               break;
+-      case IEEE80211_AMPDU_TX_STOP_CONT:
+       case IEEE80211_AMPDU_TX_STOP_FLUSH:
+       case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
++              flush = true;
++      case IEEE80211_AMPDU_TX_STOP_CONT:
+               ath9k_ps_wakeup(sc);
+               ath_tx_aggr_stop(sc, sta, tid);
+-              ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
++              if (!flush)
++                      ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+               ath9k_ps_restore(sc);
+               break;
+       case IEEE80211_AMPDU_TX_OPERATIONAL:
+--- a/drivers/net/wireless/ath/ath9k/reg.h
++++ b/drivers/net/wireless/ath/ath9k/reg.h
+@@ -798,6 +798,10 @@
+ #define AR_SREV_REVISION_9485_10      0
+ #define AR_SREV_REVISION_9485_11        1
+ #define AR_SREV_VERSION_9340          0x300
++#define AR_SREV_REVISION_9340_10      0
++#define AR_SREV_REVISION_9340_11      1
++#define AR_SREV_REVISION_9340_12      2
++#define AR_SREV_REVISION_9340_13      3
+ #define AR_SREV_VERSION_9580          0x1C0
+ #define AR_SREV_REVISION_9580_10      4 /* AR9580 1.0 */
+ #define AR_SREV_VERSION_9462          0x280
+@@ -897,6 +901,10 @@
+ #define AR_SREV_9340(_ah) \
+       (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9340))
++#define AR_SREV_9340_13_OR_LATER(_ah) \
++      (AR_SREV_9340((_ah)) && \
++       ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9340_13))
++
+ #define AR_SREV_9285E_20(_ah) \
+     (AR_SREV_9285_12_OR_LATER(_ah) && \
+      ((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1))
+@@ -1007,6 +1015,8 @@ enum {
+                               AR_INTR_SYNC_LOCAL_TIMEOUT |
+                               AR_INTR_SYNC_MAC_SLEEP_ACCESS),
++      AR9340_INTR_SYNC_LOCAL_TIMEOUT = 0x00000010,
++
+       AR_INTR_SYNC_SPURIOUS = 0xFFFFFFFF,
  
+ };
+@@ -1493,9 +1503,6 @@ enum {
+ #define AR9271_RADIO_RF_RST                   0x20
+ #define AR9271_GATE_MAC_CTL                   0x4000
+-#define AR_STA_ID0                 0x8000
+-#define AR_STA_ID1                 0x8004
+-#define AR_STA_ID1_SADH_MASK       0x0000FFFF
+ #define AR_STA_ID1_STA_AP          0x00010000
+ #define AR_STA_ID1_ADHOC           0x00020000
+ #define AR_STA_ID1_PWR_SAV         0x00040000
+@@ -1884,6 +1891,7 @@ enum {
+ #define AR_PCU_TXBUF_CTRL_SIZE_MASK     0x7FF
+ #define AR_PCU_TXBUF_CTRL_USABLE_SIZE   0x700
+ #define AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE   0x380
++#define AR_9340_PCU_TXBUF_CTRL_USABLE_SIZE   0x500
+ #define AR_PCU_MISC_MODE2               0x8344
+ #define AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE           0x00000002
+--- a/drivers/net/wireless/ath/hw.c
++++ b/drivers/net/wireless/ath/hw.c
+@@ -118,6 +118,12 @@
+ void ath_hw_setbssidmask(struct ath_common *common)
+ {
+       void *ah = common->ah;
++      u32 id1;
++
++      REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
++      id1 = REG_READ(ah, AR_STA_ID1) & ~AR_STA_ID1_SADH_MASK;
++      id1 |= get_unaligned_le16(common->macaddr + 4);
++      REG_WRITE(ah, AR_STA_ID1, id1);
+       REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
+       REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
+--- a/drivers/net/wireless/ath/reg.h
++++ b/drivers/net/wireless/ath/reg.h
+@@ -23,6 +23,10 @@
+ #define AR_MIBC_CMC           0x00000004
+ #define AR_MIBC_MCS           0x00000008
++#define AR_STA_ID0            0x8000
++#define AR_STA_ID1            0x8004
++#define AR_STA_ID1_SADH_MASK  0x0000ffff
++
+ /*
+  * BSSID mask registers. See ath_hw_set_bssid_mask()
+  * for detailed documentation about these registers.
 --- a/drivers/net/wireless/iwlegacy/4965-mac.c
 +++ b/drivers/net/wireless/iwlegacy/4965-mac.c
-@@ -1694,7 +1694,7 @@ il4965_tx_skb(struct il_priv *il, struct
-               sta_priv = (void *)sta->drv_priv;
-       if (sta_priv && sta_priv->asleep &&
--          (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
-+          (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
-               /*
-                * This sends an asynchronous command to the device,
-                * but we can rely on it being processed before the
---- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-@@ -322,7 +322,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
-               sta_priv = (void *)info->control.sta->drv_priv;
-       if (sta_priv && sta_priv->asleep &&
--          (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
-+          (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
-               /*
-                * This sends an asynchronous command to the device,
-                * but we can rely on it being processed before the
-@@ -331,6 +331,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
-                * counter.
-                * For now set the counter to just 1 since we do not
-                * support uAPSD yet.
-+               *
-+               * FIXME: If we get two non-bufferable frames one
-+               * after the other, we might only send out one of
-+               * them because this is racy.
-                */
-               iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
+@@ -6059,7 +6059,7 @@ il4965_mac_channel_switch(struct ieee802
+       struct il_priv *il = hw->priv;
+       const struct il_channel_info *ch_info;
+       struct ieee80211_conf *conf = &hw->conf;
+-      struct ieee80211_channel *channel = ch_switch->channel;
++      struct ieee80211_channel *channel = ch_switch->chandef.chan;
+       struct il_ht_config *ht_conf = &il->current_ht_config;
+       u16 ch;
+@@ -6096,23 +6096,21 @@ il4965_mac_channel_switch(struct ieee802
+       il->current_ht_config.smps = conf->smps_mode;
+       /* Configure HT40 channels */
+-      il->ht.enabled = conf_is_ht(conf);
+-      if (il->ht.enabled) {
+-              if (conf_is_ht40_minus(conf)) {
+-                      il->ht.extension_chan_offset =
+-                          IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+-                      il->ht.is_40mhz = true;
+-              } else if (conf_is_ht40_plus(conf)) {
+-                      il->ht.extension_chan_offset =
+-                          IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+-                      il->ht.is_40mhz = true;
+-              } else {
+-                      il->ht.extension_chan_offset =
+-                          IEEE80211_HT_PARAM_CHA_SEC_NONE;
+-                      il->ht.is_40mhz = false;
+-              }
+-      } else
++      switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
++      case NL80211_CHAN_NO_HT:
++      case NL80211_CHAN_HT20:
+               il->ht.is_40mhz = false;
++              il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++              break;
++      case NL80211_CHAN_HT40MINUS:
++              il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
++              il->ht.is_40mhz = true;
++              break;
++      case NL80211_CHAN_HT40PLUS:
++              il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
++              il->ht.is_40mhz = true;
++              break;
++      }
+       if ((le16_to_cpu(il->staging.channel) != ch))
+               il->staging.flags = 0;
+--- a/drivers/net/wireless/iwlegacy/4965.c
++++ b/drivers/net/wireless/iwlegacy/4965.c
+@@ -1493,7 +1493,7 @@ il4965_hw_channel_switch(struct il_priv 
+       cmd.band = band;
+       cmd.expect_beacon = 0;
+-      ch = ch_switch->channel->hw_value;
++      ch = ch_switch->chandef.chan->hw_value;
+       cmd.channel = cpu_to_le16(ch);
+       cmd.rxon_flags = il->staging.flags;
+       cmd.rxon_filter_flags = il->staging.filter_flags;
+--- a/drivers/net/wireless/iwlwifi/dvm/devices.c
++++ b/drivers/net/wireless/iwlwifi/dvm/devices.c
+@@ -379,7 +379,7 @@ static int iwl5000_hw_channel_switch(str
+       };
+       cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+-      ch = ch_switch->channel->hw_value;
++      ch = ch_switch->chandef.chan->hw_value;
+       IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+                     ctx->active.channel, ch);
+       cmd.channel = cpu_to_le16(ch);
+@@ -414,7 +414,8 @@ static int iwl5000_hw_channel_switch(str
+       }
+       IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+                     cmd.switch_time);
+-      cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
++      cmd.expect_beacon =
++              ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
+       return iwl_dvm_send_cmd(priv, &hcmd);
+ }
+@@ -540,7 +541,7 @@ static int iwl6000_hw_channel_switch(str
+       hcmd.data[0] = cmd;
+       cmd->band = priv->band == IEEE80211_BAND_2GHZ;
+-      ch = ch_switch->channel->hw_value;
++      ch = ch_switch->chandef.chan->hw_value;
+       IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
+                     ctx->active.channel, ch);
+       cmd->channel = cpu_to_le16(ch);
+@@ -575,7 +576,8 @@ static int iwl6000_hw_channel_switch(str
        }
---- a/drivers/net/wireless/p54/txrx.c
-+++ b/drivers/net/wireless/p54/txrx.c
-@@ -690,7 +690,7 @@ static void p54_tx_80211_header(struct p
-       if (!(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
-               *flags |= P54_HDR_FLAG_DATA_OUT_SEQNR;
+       IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+                     cmd->switch_time);
+-      cmd->expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
++      cmd->expect_beacon =
++              ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
+       err = iwl_dvm_send_cmd(priv, &hcmd);
+       kfree(cmd);
+--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
++++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+@@ -970,7 +970,7 @@ static void iwlagn_mac_channel_switch(st
+ {
+       struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
+       struct ieee80211_conf *conf = &hw->conf;
+-      struct ieee80211_channel *channel = ch_switch->channel;
++      struct ieee80211_channel *channel = ch_switch->chandef.chan;
+       struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+       /*
+        * MULTI-FIXME
+@@ -1008,11 +1008,21 @@ static void iwlagn_mac_channel_switch(st
+       priv->current_ht_config.smps = conf->smps_mode;
+       /* Configure HT40 channels */
+-      ctx->ht.enabled = conf_is_ht(conf);
+-      if (ctx->ht.enabled)
+-              iwlagn_config_ht40(conf, ctx);
+-      else
++      switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
++      case NL80211_CHAN_NO_HT:
++      case NL80211_CHAN_HT20:
+               ctx->ht.is_40mhz = false;
++              ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++              break;
++      case NL80211_CHAN_HT40MINUS:
++              ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
++              ctx->ht.is_40mhz = true;
++              break;
++      case NL80211_CHAN_HT40PLUS:
++              ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
++              ctx->ht.is_40mhz = true;
++              break;
++      }
+       if ((le16_to_cpu(ctx->staging.channel) != ch))
+               ctx->staging.flags = 0;
+--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
++++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
+@@ -1160,7 +1160,7 @@ int iwlagn_commit_rxon(struct iwl_priv *
+ }
+ void iwlagn_config_ht40(struct ieee80211_conf *conf,
+-      struct iwl_rxon_context *ctx)
++                      struct iwl_rxon_context *ctx)
+ {
+       if (conf_is_ht40_minus(conf)) {
+               ctx->ht.extension_chan_offset =
+--- a/drivers/net/wireless/mac80211_hwsim.c
++++ b/drivers/net/wireless/mac80211_hwsim.c
+@@ -25,6 +25,7 @@
+ #include <linux/if_arp.h>
+ #include <linux/rtnetlink.h>
+ #include <linux/etherdevice.h>
++#include <linux/platform_device.h>
+ #include <linux/debugfs.h>
+ #include <linux/module.h>
+ #include <linux/ktime.h>
+@@ -717,9 +718,17 @@ static bool mac80211_hwsim_tx_frame_no_n
+       rx_status.flag |= RX_FLAG_MACTIME_START;
+       rx_status.freq = chan->center_freq;
+       rx_status.band = chan->band;
+-      rx_status.rate_idx = info->control.rates[0].idx;
+-      if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
+-              rx_status.flag |= RX_FLAG_HT;
++      if (info->control.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) {
++              rx_status.rate_idx =
++                      ieee80211_rate_get_vht_mcs(&info->control.rates[0]);
++              rx_status.vht_nss =
++                      ieee80211_rate_get_vht_nss(&info->control.rates[0]);
++              rx_status.flag |= RX_FLAG_VHT;
++      } else {
++              rx_status.rate_idx = info->control.rates[0].idx;
++              if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
++                      rx_status.flag |= RX_FLAG_HT;
++      }
+       if (info->control.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+               rx_status.flag |= RX_FLAG_40MHZ;
+       if (info->control.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
+@@ -1687,6 +1696,7 @@ static void mac80211_hwsim_free(void)
+               debugfs_remove(data->debugfs_ps);
+               debugfs_remove(data->debugfs);
+               ieee80211_unregister_hw(data->hw);
++              device_release_driver(data->dev);
+               device_unregister(data->dev);
+               ieee80211_free_hw(data->hw);
+       }
+@@ -1695,7 +1705,9 @@ static void mac80211_hwsim_free(void)
+ static struct device_driver mac80211_hwsim_driver = {
+-      .name = "mac80211_hwsim"
++      .name = "mac80211_hwsim",
++      .bus = &platform_bus_type,
++      .owner = THIS_MODULE,
+ };
+ static const struct net_device_ops hwsim_netdev_ops = {
+@@ -2187,9 +2199,15 @@ static int __init init_mac80211_hwsim(vo
+       spin_lock_init(&hwsim_radio_lock);
+       INIT_LIST_HEAD(&hwsim_radios);
++      err = driver_register(&mac80211_hwsim_driver);
++      if (err)
++              return err;
++
+       hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
+-      if (IS_ERR(hwsim_class))
+-              return PTR_ERR(hwsim_class);
++      if (IS_ERR(hwsim_class)) {
++              err = PTR_ERR(hwsim_class);
++              goto failed_unregister_driver;
++      }
+       memset(addr, 0, ETH_ALEN);
+       addr[0] = 0x02;
+@@ -2211,12 +2229,20 @@ static int __init init_mac80211_hwsim(vo
+                                         "hwsim%d", i);
+               if (IS_ERR(data->dev)) {
+                       printk(KERN_DEBUG
+-                             "mac80211_hwsim: device_create "
+-                             "failed (%ld)\n", PTR_ERR(data->dev));
++                             "mac80211_hwsim: device_create failed (%ld)\n",
++                             PTR_ERR(data->dev));
+                       err = -ENOMEM;
+                       goto failed_drvdata;
+               }
+               data->dev->driver = &mac80211_hwsim_driver;
++              err = device_bind_driver(data->dev);
++              if (err != 0) {
++                      printk(KERN_DEBUG
++                             "mac80211_hwsim: device_bind_driver failed (%d)\n",
++                             err);
++                      goto failed_hw;
++              }
++
+               skb_queue_head_init(&data->pending);
+               SET_IEEE80211_DEV(hw, data->dev);
+@@ -2515,6 +2541,8 @@ failed_drvdata:
+       ieee80211_free_hw(hw);
+ failed:
+       mac80211_hwsim_free();
++failed_unregister_driver:
++      driver_unregister(&mac80211_hwsim_driver);
+       return err;
+ }
+ module_init(init_mac80211_hwsim);
+@@ -2527,5 +2555,6 @@ static void __exit exit_mac80211_hwsim(v
+       mac80211_hwsim_free();
+       unregister_netdev(hwsim_mon);
++      driver_unregister(&mac80211_hwsim_driver);
+ }
+ module_exit(exit_mac80211_hwsim);
+--- a/drivers/net/wireless/ti/wl12xx/cmd.c
++++ b/drivers/net/wireless/ti/wl12xx/cmd.c
+@@ -301,7 +301,7 @@ int wl12xx_cmd_channel_switch(struct wl1
+       }
+       cmd->role_id = wlvif->role_id;
+-      cmd->channel = ch_switch->channel->hw_value;
++      cmd->channel = ch_switch->chandef.chan->hw_value;
+       cmd->switch_time = ch_switch->count;
+       cmd->stop_tx = ch_switch->block_tx;
+--- a/drivers/net/wireless/ti/wl18xx/cmd.c
++++ b/drivers/net/wireless/ti/wl18xx/cmd.c
+@@ -42,11 +42,11 @@ int wl18xx_cmd_channel_switch(struct wl1
+       }
+       cmd->role_id = wlvif->role_id;
+-      cmd->channel = ch_switch->channel->hw_value;
++      cmd->channel = ch_switch->chandef.chan->hw_value;
+       cmd->switch_time = ch_switch->count;
+       cmd->stop_tx = ch_switch->block_tx;
+-      switch (ch_switch->channel->band) {
++      switch (ch_switch->chandef.chan->band) {
+       case IEEE80211_BAND_2GHZ:
+               cmd->band = WLCORE_BAND_2_4GHZ;
+               break;
+@@ -55,7 +55,7 @@ int wl18xx_cmd_channel_switch(struct wl1
+               break;
+       default:
+               wl1271_error("invalid channel switch band: %d",
+-                           ch_switch->channel->band);
++                           ch_switch->chandef.chan->band);
+               ret = -EINVAL;
+               goto out_free;
+       }
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -673,6 +673,36 @@ struct ieee80211_channel_sw_ie {
+ } __packed;
+ /**
++ * struct ieee80211_ext_chansw_ie
++ *
++ * This structure represents the "Extended Channel Switch Announcement element"
++ */
++struct ieee80211_ext_chansw_ie {
++      u8 mode;
++      u8 new_operating_class;
++      u8 new_ch_num;
++      u8 count;
++} __packed;
++
++/**
++ * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
++ * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
++ *    values here
++ * This structure represents the "Secondary Channel Offset element"
++ */
++struct ieee80211_sec_chan_offs_ie {
++      u8 sec_chan_offs;
++} __packed;
++
++/**
++ * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
++ */
++struct ieee80211_wide_bw_chansw_ie {
++      u8 new_channel_width;
++      u8 new_center_freq_seg0, new_center_freq_seg1;
++} __packed;
++
++/**
+  * struct ieee80211_tim
+  *
+  * This structure refers to "Traffic Indication Map information element"
+@@ -840,12 +870,15 @@ struct ieee80211_mgmt {
+                               } __packed wme_action;
+                               struct{
+                                       u8 action_code;
+-                                      u8 element_id;
+-                                      u8 length;
+-                                      struct ieee80211_channel_sw_ie sw_elem;
++                                      u8 variable[0];
+                               } __packed chan_switch;
+                               struct{
+                                       u8 action_code;
++                                      struct ieee80211_ext_chansw_ie data;
++                                      u8 variable[0];
++                              } __packed ext_chan_switch;
++                              struct{
++                                      u8 action_code;
+                                       u8 dialog_token;
+                                       u8 element_id;
+                                       u8 length;
+@@ -1638,6 +1671,7 @@ enum ieee80211_eid {
+       WLAN_EID_HT_CAPABILITY = 45,
+       WLAN_EID_HT_OPERATION = 61,
++      WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
+       WLAN_EID_RSN = 48,
+       WLAN_EID_MMIE = 76,
+@@ -1672,6 +1706,8 @@ enum ieee80211_eid {
+       WLAN_EID_VHT_CAPABILITY = 191,
+       WLAN_EID_VHT_OPERATION = 192,
+       WLAN_EID_OPMODE_NOTIF = 199,
++      WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
++      WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
+       /* 802.11ad */
+       WLAN_EID_NON_TX_BSSID_CAP =  83,
+@@ -1795,6 +1831,7 @@ enum ieee80211_key_len {
+ /* Public action codes */
+ enum ieee80211_pub_actioncode {
++      WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
+       WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
+ };
  
--      if (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)
-+      if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)
-               *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL;
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -753,6 +753,8 @@ int cfg80211_check_station_change(struct
+  * @STATION_INFO_LOCAL_PM: @local_pm filled
+  * @STATION_INFO_PEER_PM: @peer_pm filled
+  * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
++ * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
++ * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
+  */
+ enum station_info_flags {
+       STATION_INFO_INACTIVE_TIME      = 1<<0,
+@@ -781,6 +783,8 @@ enum station_info_flags {
+       STATION_INFO_NONPEER_PM         = 1<<23,
+       STATION_INFO_RX_BYTES64         = 1<<24,
+       STATION_INFO_TX_BYTES64         = 1<<25,
++      STATION_INFO_CHAIN_SIGNAL       = 1<<26,
++      STATION_INFO_CHAIN_SIGNAL_AVG   = 1<<27,
+ };
+ /**
+@@ -857,6 +861,8 @@ struct sta_bss_parameters {
+       u16 beacon_interval;
+ };
  
-       if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
++#define IEEE80211_MAX_CHAINS  4
++
+ /**
+  * struct station_info - station information
+  *
+@@ -874,6 +880,9 @@ struct sta_bss_parameters {
+  *    For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
+  * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
+  *    For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
++ * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
++ * @chain_signal: per-chain signal strength of last received packet in dBm
++ * @chain_signal_avg: per-chain signal strength average in dBm
+  * @txrate: current unicast bitrate from this station
+  * @rxrate: current unicast bitrate to this station
+  * @rx_packets: packets received from this station
+@@ -909,6 +918,11 @@ struct station_info {
+       u8 plink_state;
+       s8 signal;
+       s8 signal_avg;
++
++      u8 chains;
++      s8 chain_signal[IEEE80211_MAX_CHAINS];
++      s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
++
+       struct rate_info txrate;
+       struct rate_info rxrate;
+       u32 rx_packets;
+@@ -4027,6 +4041,17 @@ bool cfg80211_reg_can_beacon(struct wiph
+ void cfg80211_ch_switch_notify(struct net_device *dev,
+                              struct cfg80211_chan_def *chandef);
++/**
++ * ieee80211_operating_class_to_band - convert operating class to band
++ *
++ * @operating_class: the operating class to convert
++ * @band: band pointer to fill
++ *
++ * Returns %true if the conversion was successful, %false otherwise.
++ */
++bool ieee80211_operating_class_to_band(u8 operating_class,
++                                     enum ieee80211_band *band);
++
+ /*
+  * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
+  * @dev: the device on which the operation is requested
 --- a/include/net/mac80211.h
 +++ b/include/net/mac80211.h
-@@ -341,9 +341,9 @@ struct ieee80211_bss_conf {
-  *    used to indicate that a frame was already retried due to PS
-  * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
-  *    used to indicate frame should not be encrypted
-- * @IEEE80211_TX_CTL_POLL_RESPONSE: This frame is a response to a poll
-- *    frame (PS-Poll or uAPSD) and should be sent although the station
-- *    is in powersave mode.
-+ * @IEEE80211_TX_CTL_NO_PS_BUFFER: This frame is a response to a poll
-+ *    frame (PS-Poll or uAPSD) or a non-bufferable MMPDU and must
-+ *    be sent although the station is in powersave mode.
-  * @IEEE80211_TX_CTL_MORE_FRAMES: More frames will be passed to the
-  *    transmit function after the current frame, this can be used
-  *    by drivers to kick the DMA queue only if unset or when the
-@@ -399,7 +399,7 @@ enum mac80211_tx_control_flags {
-       IEEE80211_TX_INTFL_NEED_TXPROCESSING    = BIT(14),
-       IEEE80211_TX_INTFL_RETRIED              = BIT(15),
-       IEEE80211_TX_INTFL_DONT_ENCRYPT         = BIT(16),
--      IEEE80211_TX_CTL_POLL_RESPONSE          = BIT(17),
-+      IEEE80211_TX_CTL_NO_PS_BUFFER           = BIT(17),
-       IEEE80211_TX_CTL_MORE_FRAMES            = BIT(18),
-       IEEE80211_TX_INTFL_RETRANSMISSION       = BIT(19),
-       /* hole at 20, use later */
-@@ -425,7 +425,7 @@ enum mac80211_tx_control_flags {
-       IEEE80211_TX_CTL_SEND_AFTER_DTIM | IEEE80211_TX_CTL_AMPDU |           \
-       IEEE80211_TX_STAT_TX_FILTERED | IEEE80211_TX_STAT_ACK |               \
-       IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_STAT_AMPDU_NO_BACK |           \
--      IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_POLL_RESPONSE |   \
-+      IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_NO_PS_BUFFER |    \
-       IEEE80211_TX_CTL_MORE_FRAMES | IEEE80211_TX_CTL_LDPC |                \
-       IEEE80211_TX_CTL_STBC | IEEE80211_TX_STATUS_EOSP)
-@@ -659,6 +659,8 @@ ieee80211_tx_info_clear_status(struct ie
-  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
-  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
-  * @RX_FLAG_SHORT_GI: Short guard interval was used
-+ * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present.
-+ *    Valid only for data frames (mainly A-MPDU)
+@@ -210,7 +210,7 @@ struct ieee80211_chanctx_conf {
+  * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note
+  *    that it is only ever disabled for station mode.
+  * @BSS_CHANGED_IDLE: Idle changed for this BSS/interface.
+- * @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode)
++ * @BSS_CHANGED_SSID: SSID changed for this BSS (AP and IBSS mode)
+  * @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
+  * @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
+  * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface
+@@ -327,7 +327,7 @@ enum ieee80211_rssi_event {
+  *    your driver/device needs to do.
+  * @ps: power-save mode (STA only). This flag is NOT affected by
+  *    offchannel/dynamic_ps operations.
+- * @ssid: The SSID of the current vif. Only valid in AP-mode.
++ * @ssid: The SSID of the current vif. Valid in AP and IBSS mode.
+  * @ssid_len: Length of SSID given in @ssid.
+  * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
+  * @txpower: TX power in dBm
+@@ -562,6 +562,9 @@ enum mac80211_rate_control_flags {
+ /* maximum number of rate stages */
+ #define IEEE80211_TX_MAX_RATES        4
++/* maximum number of rate table entries */
++#define IEEE80211_TX_RATE_TABLE_SIZE  4
++
+ /**
+  * struct ieee80211_tx_rate - rate selection/status
+  *
+@@ -602,8 +605,8 @@ static inline void ieee80211_rate_set_vh
+                                         u8 mcs, u8 nss)
+ {
+       WARN_ON(mcs & ~0xF);
+-      WARN_ON(nss & ~0x7);
+-      rate->idx = (nss << 4) | mcs;
++      WARN_ON((nss - 1) & ~0x7);
++      rate->idx = ((nss - 1) << 4) | mcs;
+ }
+ static inline u8
+@@ -615,7 +618,7 @@ ieee80211_rate_get_vht_mcs(const struct 
+ static inline u8
+ ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
+ {
+-      return rate->idx >> 4;
++      return (rate->idx >> 4) + 1;
+ }
+ /**
+@@ -656,7 +659,11 @@ struct ieee80211_tx_info {
+                                       struct ieee80211_tx_rate rates[
+                                               IEEE80211_TX_MAX_RATES];
+                                       s8 rts_cts_rate_idx;
+-                                      /* 3 bytes free */
++                                      u8 use_rts:1;
++                                      u8 use_cts_prot:1;
++                                      u8 short_preamble:1;
++                                      u8 skip_table:1;
++                                      /* 2 bytes free */
+                               };
+                               /* only needed before rate control */
+                               unsigned long jiffies;
+@@ -677,6 +684,8 @@ struct ieee80211_tx_info {
+               struct {
+                       struct ieee80211_tx_rate driver_rates[
+                               IEEE80211_TX_MAX_RATES];
++                      u8 pad[4];
++
+                       void *rate_driver_data[
+                               IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)];
+               };
+@@ -840,6 +849,9 @@ enum mac80211_rx_flags {
+  * @signal: signal strength when receiving this frame, either in dBm, in dB or
+  *    unspecified depending on the hardware capabilities flags
+  *    @IEEE80211_HW_SIGNAL_*
++ * @chains: bitmask of receive chains for which separate signal strength
++ *    values were filled.
++ * @chain_signal: per-chain signal strength, same format as @signal
+  * @antenna: antenna used
+  * @rate_idx: index of data rate into band's supported rates or MCS index if
+  *    HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
+@@ -871,6 +883,8 @@ struct ieee80211_rx_status {
+       u8 band;
+       u8 antenna;
+       s8 signal;
++      u8 chains;
++      s8 chain_signal[IEEE80211_MAX_CHAINS];
+       u8 ampdu_delimiter_crc;
+       u8 vendor_radiotap_align;
+       u8 vendor_radiotap_oui[3];
+@@ -1018,13 +1032,13 @@ struct ieee80211_conf {
+  *    the driver passed into mac80211.
+  * @block_tx: Indicates whether transmission must be blocked before the
+  *    scheduled channel switch, as indicated by the AP.
+- * @channel: the new channel to switch to
++ * @chandef: the new channel to switch to
+  * @count: the number of TBTT's until the channel switch event
+  */
+ struct ieee80211_channel_switch {
+       u64 timestamp;
+       bool block_tx;
+-      struct ieee80211_channel *channel;
++      struct cfg80211_chan_def chandef;
+       u8 count;
+ };
+@@ -1222,6 +1236,24 @@ enum ieee80211_sta_rx_bandwidth {
+ };
+ /**
++ * struct ieee80211_sta_rates - station rate selection table
++ *
++ * @rcu_head: RCU head used for freeing the table on update
++ * @rates: transmit rates/flags to be used by default.
++ *    Overriding entries per-packet is possible by using cb tx control.
++ */
++struct ieee80211_sta_rates {
++      struct rcu_head rcu_head;
++      struct {
++              s8 idx;
++              u8 count;
++              u8 count_cts;
++              u8 count_rts;
++              u16 flags;
++      } rate[IEEE80211_TX_RATE_TABLE_SIZE];
++};
++
++/**
+  * struct ieee80211_sta - station table entry
+  *
+  * A station table entry represents a station we are possibly
+@@ -1248,6 +1280,7 @@ enum ieee80211_sta_rx_bandwidth {
+  *    notifications and capabilities. The value is only valid after
+  *    the station moves to associated state.
+  * @smps_mode: current SMPS mode (off, static or dynamic)
++ * @tx_rates: rate control selection table
   */
- enum mac80211_rx_flags {
-       RX_FLAG_MMIC_ERROR      = 1<<0,
-@@ -672,6 +674,7 @@ enum mac80211_rx_flags {
-       RX_FLAG_HT              = 1<<9,
-       RX_FLAG_40MHZ           = 1<<10,
-       RX_FLAG_SHORT_GI        = 1<<11,
-+      RX_FLAG_NO_SIGNAL_VAL   = 1<<12,
+ struct ieee80211_sta {
+       u32 supp_rates[IEEE80211_NUM_BANDS];
+@@ -1261,6 +1294,7 @@ struct ieee80211_sta {
+       u8 rx_nss;
+       enum ieee80211_sta_rx_bandwidth bandwidth;
+       enum ieee80211_smps_mode smps_mode;
++      struct ieee80211_sta_rates __rcu *rates;
+       /* must be last */
+       u8 drv_priv[0] __aligned(sizeof(void *));
+@@ -1416,6 +1450,9 @@ struct ieee80211_tx_control {
+  *    for different virtual interfaces. See the doc section on HW queue
+  *    control for more details.
+  *
++ * @IEEE80211_HW_SUPPORTS_RC_TABLE: The driver supports using a rate
++ *    selection table provided by the rate control algorithm.
++ *
+  * @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any
+  *    P2P Interface. This will be honoured even if more than one interface
+  *    is supported.
+@@ -1448,6 +1485,7 @@ enum ieee80211_hw_flags {
+       IEEE80211_HW_SUPPORTS_PER_STA_GTK               = 1<<21,
+       IEEE80211_HW_AP_LINK_PS                         = 1<<22,
+       IEEE80211_HW_TX_AMPDU_SETUP_IN_HW               = 1<<23,
++      IEEE80211_HW_SUPPORTS_RC_TABLE                  = 1<<24,
+       IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF              = 1<<25,
+       IEEE80211_HW_TIMING_BEACON_ONLY                 = 1<<26,
  };
+@@ -3144,6 +3182,25 @@ void ieee80211_sta_set_buffered(struct i
+                               u8 tid, bool buffered);
  
  /**
-@@ -1634,7 +1637,7 @@ void ieee80211_free_txskb(struct ieee802
-  * the station sends a PS-Poll or a uAPSD trigger frame, mac80211
-  * will inform the driver of this with the @allow_buffered_frames
-  * callback; this callback is optional. mac80211 will then transmit
-- * the frames as usual and set the %IEEE80211_TX_CTL_POLL_RESPONSE
-+ * the frames as usual and set the %IEEE80211_TX_CTL_NO_PS_BUFFER
-  * on each frame. The last frame in the service period (or the only
-  * response to a PS-Poll) also has %IEEE80211_TX_STATUS_EOSP set to
-  * indicate that it ends the service period; as this frame must have
-@@ -1642,6 +1645,9 @@ void ieee80211_free_txskb(struct ieee802
-  * When TX status is reported for this frame, the service period is
-  * marked has having ended and a new one can be started by the peer.
++ * ieee80211_get_tx_rates - get the selected transmit rates for a packet
++ *
++ * Call this function in a driver with per-packet rate selection support
++ * to combine the rate info in the packet tx info with the most recent
++ * rate selection table for the station entry.
++ *
++ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
++ * @sta: the receiver station to which this packet is sent.
++ * @skb: the frame to be transmitted.
++ * @dest: buffer for extracted rate/retry information
++ * @max_rates: maximum number of rates to fetch
++ */
++void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
++                          struct ieee80211_sta *sta,
++                          struct sk_buff *skb,
++                          struct ieee80211_tx_rate *dest,
++                          int max_rates);
++
++/**
+  * ieee80211_tx_status - transmit status callback
   *
-+ * Additionally, non-bufferable MMPDUs can also be transmitted by
-+ * mac80211 with the %IEEE80211_TX_CTL_NO_PS_BUFFER set in them.
+  * Call this function for all transmitted frames after they have been
+@@ -4118,7 +4175,7 @@ void ieee80211_send_bar(struct ieee80211
+  *    (deprecated; this will be removed once drivers get updated to use
+  *    rate_idx_mask)
+  * @rate_idx_mask: user-requested (legacy) rate mask
+- * @rate_idx_mcs_mask: user-requested MCS rate mask
++ * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use)
+  * @bss: whether this frame is sent out in AP or IBSS mode
+  */
+ struct ieee80211_tx_rate_control {
+@@ -4130,7 +4187,7 @@ struct ieee80211_tx_rate_control {
+       bool rts, short_preamble;
+       u8 max_rate_idx;
+       u32 rate_idx_mask;
+-      u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
++      u8 *rate_idx_mcs_mask;
+       bool bss;
+ };
+@@ -4219,6 +4276,22 @@ bool rate_usable_index_exists(struct iee
+       return false;
+ }
++/**
++ * rate_control_set_rates - pass the sta rate selection to mac80211/driver
 + *
-  * Another race condition can happen on some devices like iwlwifi
-  * when there are frames queued for the station and it wakes up
-  * or polls; the frames that are already queued could end up being
-@@ -2140,7 +2146,7 @@ enum ieee80211_frame_release_type {
-  * @allow_buffered_frames: Prepare device to allow the given number of frames
-  *    to go out to the given station. The frames will be sent by mac80211
-  *    via the usual TX path after this call. The TX information for frames
-- *    released will also have the %IEEE80211_TX_CTL_POLL_RESPONSE flag set
-+ *    released will also have the %IEEE80211_TX_CTL_NO_PS_BUFFER flag set
-  *    and the last one will also have %IEEE80211_TX_STATUS_EOSP set. In case
-  *    frames from multiple TIDs are released and the driver might reorder
-  *    them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag
++ * When not doing a rate control probe to test rates, rate control should pass
++ * its rate selection to mac80211. If the driver supports receiving a station
++ * rate table, it will use it to ensure that frames are always sent based on
++ * the most recent rate control module decision.
++ *
++ * @hw: pointer as obtained from ieee80211_alloc_hw()
++ * @pubsta: &struct ieee80211_sta pointer to the target destination.
++ * @rates: new tx rate set to be used for this station.
++ */
++int rate_control_set_rates(struct ieee80211_hw *hw,
++                         struct ieee80211_sta *pubsta,
++                         struct ieee80211_sta_rates *rates);
++
+ int ieee80211_rate_control_register(struct rate_control_ops *ops);
+ void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
-@@ -187,6 +187,8 @@ static void ieee80211_send_addba_resp(st
+@@ -204,6 +204,8 @@ static void ieee80211_send_addba_resp(st
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
                memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
                memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_STATION)
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -471,6 +472,7 @@ int ieee80211_start_tx_ba_session(struct
+@@ -527,6 +528,7 @@ int ieee80211_start_tx_ba_session(struct
            sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
            sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
            sdata->vif.type != NL80211_IFTYPE_AP &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC)
                return -EINVAL;
  
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -444,7 +444,7 @@ static void sta_set_sinfo(struct sta_inf
+       struct ieee80211_local *local = sdata->local;
+       struct timespec uptime;
+       u64 packets = 0;
+-      int ac;
++      int i, ac;
+       sinfo->generation = sdata->local->sta_generation;
+@@ -488,6 +488,17 @@ static void sta_set_sinfo(struct sta_inf
+                       sinfo->signal = (s8)sta->last_signal;
+               sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
+       }
++      if (sta->chains) {
++              sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
++                               STATION_INFO_CHAIN_SIGNAL_AVG;
++
++              sinfo->chains = sta->chains;
++              for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
++                      sinfo->chain_signal[i] = sta->chain_signal_last[i];
++                      sinfo->chain_signal_avg[i] =
++                              (s8) -ewma_read(&sta->chain_signal_avg[i]);
++              }
++      }
+       sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
+       sta_set_rate_info_rx(sta, &sinfo->rxrate);
+@@ -1052,6 +1063,7 @@ static int ieee80211_stop_ap(struct wiph
+       ieee80211_free_keys(sdata);
+       sdata->vif.bss_conf.enable_beacon = false;
++      sdata->vif.bss_conf.ssid_len = 0;
+       clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
+       ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+@@ -2416,9 +2428,22 @@ static int ieee80211_set_bitrate_mask(st
+       }
+       for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
++              struct ieee80211_supported_band *sband = wiphy->bands[i];
++              int j;
++
+               sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
+               memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
+                      sizeof(mask->control[i].mcs));
++
++              sdata->rc_has_mcs_mask[i] = false;
++              if (!sband)
++                      continue;
++
++              for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
++                      if (~sdata->rc_rateidx_mcs_mask[i][j]) {
++                              sdata->rc_has_mcs_mask[i] = true;
++                              break;
++                      }
+       }
+       return 0;
+--- a/net/mac80211/chan.c
++++ b/net/mac80211/chan.c
+@@ -57,6 +57,22 @@ ieee80211_find_chanctx(struct ieee80211_
+       return NULL;
+ }
++static bool ieee80211_is_radar_required(struct ieee80211_local *local)
++{
++      struct ieee80211_sub_if_data *sdata;
++
++      rcu_read_lock();
++      list_for_each_entry_rcu(sdata, &local->interfaces, list) {
++              if (sdata->radar_required) {
++                      rcu_read_unlock();
++                      return true;
++              }
++      }
++      rcu_read_unlock();
++
++      return false;
++}
++
+ static struct ieee80211_chanctx *
+ ieee80211_new_chanctx(struct ieee80211_local *local,
+                     const struct cfg80211_chan_def *chandef,
+@@ -76,6 +92,9 @@ ieee80211_new_chanctx(struct ieee80211_l
+       ctx->conf.rx_chains_static = 1;
+       ctx->conf.rx_chains_dynamic = 1;
+       ctx->mode = mode;
++      ctx->conf.radar_enabled = ieee80211_is_radar_required(local);
++      if (!local->use_chanctx)
++              local->hw.conf.radar_enabled = ctx->conf.radar_enabled;
+       /* acquire mutex to prevent idle from changing */
+       mutex_lock(&local->mtx);
+@@ -110,6 +129,7 @@ ieee80211_new_chanctx(struct ieee80211_l
+ static void ieee80211_free_chanctx(struct ieee80211_local *local,
+                                  struct ieee80211_chanctx *ctx)
+ {
++      bool check_single_channel = false;
+       lockdep_assert_held(&local->chanctx_mtx);
+       WARN_ON_ONCE(ctx->refcount != 0);
+@@ -119,6 +139,14 @@ static void ieee80211_free_chanctx(struc
+               chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+               chandef->center_freq1 = chandef->chan->center_freq;
+               chandef->center_freq2 = 0;
++
++              /* NOTE: Disabling radar is only valid here for
++               * single channel context. To be sure, check it ...
++               */
++              if (local->hw.conf.radar_enabled)
++                      check_single_channel = true;
++              local->hw.conf.radar_enabled = false;
++
+               ieee80211_hw_config(local, 0);
+       } else {
+               drv_remove_chanctx(local, ctx);
+@@ -127,6 +155,9 @@ static void ieee80211_free_chanctx(struc
+       list_del_rcu(&ctx->list);
+       kfree_rcu(ctx, rcu_head);
++      /* throw a warning if this wasn't the only channel context. */
++      WARN_ON(check_single_channel && !list_empty(&local->chanctx_list));
++
+       mutex_lock(&local->mtx);
+       ieee80211_recalc_idle(local);
+       mutex_unlock(&local->mtx);
+@@ -238,19 +269,11 @@ static void __ieee80211_vif_release_chan
+ void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
+                                   struct ieee80211_chanctx *chanctx)
+ {
+-      struct ieee80211_sub_if_data *sdata;
+-      bool radar_enabled = false;
++      bool radar_enabled;
+       lockdep_assert_held(&local->chanctx_mtx);
+-      rcu_read_lock();
+-      list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+-              if (sdata->radar_required) {
+-                      radar_enabled = true;
+-                      break;
+-              }
+-      }
+-      rcu_read_unlock();
++      radar_enabled = ieee80211_is_radar_required(local);
+       if (radar_enabled == chanctx->conf.radar_enabled)
+               return;
 --- a/net/mac80211/debugfs_sta.c
 +++ b/net/mac80211/debugfs_sta.c
-@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+@@ -66,11 +66,11 @@ static ssize_t sta_flags_read(struct fil
        test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
  
        int res = scnprintf(buf, sizeof(buf),
--                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
-+                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+-                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
                            TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
                            TEST(PS_DRIVER), TEST(AUTHORIZED),
                            TEST(SHORT_PREAMBLE),
                            TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
                            TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
                            TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -209,6 +209,8 @@ static void __ieee80211_sta_join_ibss(st
+       sdata->vif.bss_conf.enable_beacon = true;
+       sdata->vif.bss_conf.beacon_int = beacon_int;
+       sdata->vif.bss_conf.basic_rates = basic_rates;
++      sdata->vif.bss_conf.ssid_len = ifibss->ssid_len;
++      memcpy(sdata->vif.bss_conf.ssid, ifibss->ssid, ifibss->ssid_len);
+       bss_change = BSS_CHANGED_BEACON_INT;
+       bss_change |= ieee80211_reset_erp_info(sdata);
+       bss_change |= BSS_CHANGED_BSSID;
+@@ -217,6 +219,7 @@ static void __ieee80211_sta_join_ibss(st
+       bss_change |= BSS_CHANGED_BASIC_RATES;
+       bss_change |= BSS_CHANGED_HT;
+       bss_change |= BSS_CHANGED_IBSS;
++      bss_change |= BSS_CHANGED_SSID;
+       /*
+        * In 5 GHz/802.11a, we can always use short slot time.
+@@ -911,7 +914,7 @@ void ieee80211_rx_mgmt_probe_beacon(stru
+               return;
+       ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+-                              &elems);
++                             false, &elems);
+       ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ }
+@@ -1159,6 +1162,7 @@ int ieee80211_ibss_leave(struct ieee8021
+       sdata->vif.bss_conf.ibss_joined = false;
+       sdata->vif.bss_conf.ibss_creator = false;
+       sdata->vif.bss_conf.enable_beacon = false;
++      sdata->vif.bss_conf.ssid_len = 0;
+       clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
+       ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
+                                               BSS_CHANGED_IBSS);
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -156,6 +156,7 @@ struct ieee80211_tx_data {
+       struct ieee80211_sub_if_data *sdata;
+       struct sta_info *sta;
+       struct ieee80211_key *key;
++      struct ieee80211_tx_rate rate;
+       unsigned int flags;
+ };
+@@ -740,6 +741,8 @@ struct ieee80211_sub_if_data {
+       /* bitmap of allowed (non-MCS) rate indexes for rate control */
+       u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
++
++      bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
+       u8  rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
+       union {
+@@ -1025,7 +1028,7 @@ struct ieee80211_local {
+       enum mac80211_scan_state next_scan_state;
+       struct delayed_work scan_work;
+       struct ieee80211_sub_if_data __rcu *scan_sdata;
+-      struct ieee80211_channel *csa_channel;
++      struct cfg80211_chan_def csa_chandef;
+       /* For backward compatibility only -- do not use */
+       struct cfg80211_chan_def _oper_chandef;
+@@ -1184,10 +1187,13 @@ struct ieee802_11_elems {
+       const u8 *perr;
+       const struct ieee80211_rann_ie *rann;
+       const struct ieee80211_channel_sw_ie *ch_switch_ie;
++      const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
++      const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+       const u8 *country_elem;
+       const u8 *pwr_constr_elem;
+       const struct ieee80211_timeout_interval_ie *timeout_int;
+       const u8 *opmode_notif;
++      const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
+       /* length of them, respectively */
+       u8 ssid_len;
+@@ -1258,10 +1264,6 @@ void ieee80211_recalc_ps_vif(struct ieee
+ int ieee80211_max_network_latency(struct notifier_block *nb,
+                                 unsigned long data, void *dummy);
+ int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
+-void
+-ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
+-                               const struct ieee80211_channel_sw_ie *sw_elem,
+-                               struct ieee80211_bss *bss, u64 timestamp);
+ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
+ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+                                 struct sk_buff *skb);
+@@ -1499,13 +1501,13 @@ static inline void ieee80211_tx_skb(stru
+       ieee80211_tx_skb_tid(sdata, skb, 7);
+ }
+-u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
++u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action,
+                              struct ieee802_11_elems *elems,
+                              u64 filter, u32 crc);
+-static inline void ieee802_11_parse_elems(u8 *start, size_t len,
++static inline void ieee802_11_parse_elems(u8 *start, size_t len, bool action,
+                                         struct ieee802_11_elems *elems)
+ {
+-      ieee802_11_parse_elems_crc(start, len, elems, 0, 0);
++      ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
+ }
+ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
-@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
- {
-       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+@@ -450,7 +450,6 @@ int ieee80211_do_open(struct wireless_de
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+       struct net_device *dev = wdev->netdev;
        struct ieee80211_local *local = sdata->local;
 -      struct sta_info *sta;
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -309,28 +308,6 @@ static int ieee80211_do_open(struct net_
+@@ -609,30 +608,8 @@ int ieee80211_do_open(struct wireless_de
  
        set_bit(SDATA_STATE_RUNNING, &sdata->state);
  
 -              }
 -
 -              rate_control_rate_init(sta);
+-              netif_carrier_on(dev);
+-      } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++      if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+               rcu_assign_pointer(local->p2p_sdata, sdata);
 -      }
--
        /*
         * set_multicast_list will be invoked by the networking core
-        * which will check whether any increments here were done in
-@@ -357,8 +334,7 @@ static int ieee80211_do_open(struct net_
-       netif_tx_start_all_queues(dev);
-       return 0;
-- err_del_interface:
--      drv_remove_interface(local, sdata);
-+
-  err_stop:
-       if (!local->open_count)
-               drv_stop(local);
-@@ -722,6 +698,70 @@ static void ieee80211_if_setup(struct ne
+@@ -1092,6 +1069,74 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
 +      u32 rates = 0;
 +      u16 stype;
 +      bool new = false;
-+      enum ieee80211_band band = local->hw.conf.channel->band;
-+      struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
++      enum ieee80211_band band;
++      struct ieee80211_supported_band *sband;
 +
 +      rx_status = IEEE80211_SKB_RXCB(skb);
++      band = rx_status->band;
++      sband = local->hw.wiphy->bands[band];
 +      mgmt = (struct ieee80211_mgmt *) skb->data;
 +      stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
 +
 +              return;
 +
 +      ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
-+                             skb->len - baselen, &elems);
++                             skb->len - baselen, false, &elems);
 +
-+      rates = ieee80211_sta_get_rates(local, &elems, band);
++      rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
 +
 +      rcu_read_lock();
 +
 +      }
 +
 +      sta->last_rx = jiffies;
-+      sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
++      sta->sta.supp_rates[band] = rates;
 +
 +      if (elems.ht_cap_elem)
 +              ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
-+                              elems.ht_cap_elem, &sta->sta.ht_cap);
++                              elems.ht_cap_elem, sta);
 +
 +      if (elems.wmm_param)
 +              set_sta_flag(sta, WLAN_STA_WME);
 +
 +      if (new) {
-+              set_sta_flag(sta, WLAN_STA_AUTHORIZED);
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
++              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 +              rate_control_rate_init(sta);
 +              sta_info_insert_rcu(sta);
 +      }
  static void ieee80211_iface_work(struct work_struct *work)
  {
        struct ieee80211_sub_if_data *sdata =
-@@ -826,6 +866,9 @@ static void ieee80211_iface_work(struct 
+@@ -1196,6 +1241,9 @@ static void ieee80211_iface_work(struct 
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                default:
                        WARN(1, "frame for unexpected interface type");
                        break;
---- a/net/mac80211/rx.c
-+++ b/net/mac80211/rx.c
-@@ -177,7 +177,8 @@ ieee80211_add_rx_radiotap_header(struct 
-       pos += 2;
-       /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
--      if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
-+      if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM &&
-+          !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
-               *pos = status->signal;
-               rthdr->it_present |=
-                       cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
-@@ -489,12 +490,12 @@ ieee80211_rx_mesh_check(struct ieee80211
-                       if (ieee80211_has_tods(hdr->frame_control) ||
-                               !ieee80211_has_fromds(hdr->frame_control))
-                               return RX_DROP_MONITOR;
--                      if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0)
-+                      if (compare_ether_addr(hdr->addr3, dev_addr) == 0)
-                               return RX_DROP_MONITOR;
-               } else {
-                       if (!ieee80211_has_a4(hdr->frame_control))
-                               return RX_DROP_MONITOR;
--                      if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0)
-+                      if (compare_ether_addr(hdr->addr4, dev_addr) == 0)
-                               return RX_DROP_MONITOR;
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -674,6 +674,7 @@ int ieee80211_register_hw(struct ieee802
+       int channels, max_bitrates;
+       bool supp_ht, supp_vht;
+       netdev_features_t feature_whitelist;
++      struct cfg80211_chan_def dflt_chandef = {};
+       static const u32 cipher_suites[] = {
+               /* keep WEP first, it may be removed below */
+               WLAN_CIPHER_SUITE_WEP40,
+@@ -751,19 +752,19 @@ int ieee80211_register_hw(struct ieee802
+               sband = local->hw.wiphy->bands[band];
+               if (!sband)
+                       continue;
+-              if (!local->use_chanctx && !local->_oper_chandef.chan) {
++
++              if (!dflt_chandef.chan) {
++                      cfg80211_chandef_create(&dflt_chandef,
++                                              &sband->channels[0],
++                                              NL80211_CHAN_NO_HT);
+                       /* init channel we're on */
+-                      struct cfg80211_chan_def chandef = {
+-                              .chan = &sband->channels[0],
+-                              .width = NL80211_CHAN_NO_HT,
+-                              .center_freq1 = sband->channels[0].center_freq,
+-                              .center_freq2 = 0
+-                      };
+-                      local->hw.conf.chandef = local->_oper_chandef = chandef;
++                      if (!local->use_chanctx && !local->_oper_chandef.chan) {
++                              local->hw.conf.chandef = dflt_chandef;
++                              local->_oper_chandef = dflt_chandef;
++                      }
++                      local->monitor_chandef = dflt_chandef;
                }
-       }
-@@ -1309,8 +1310,10 @@ ieee80211_rx_h_sta_process(struct ieee80
-       sta->rx_fragments++;
-       sta->rx_bytes += rx->skb->len;
--      sta->last_signal = status->signal;
--      ewma_add(&sta->avg_signal, -status->signal);
-+      if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
-+              sta->last_signal = status->signal;
-+              ewma_add(&sta->avg_signal, -status->signal);
-+      }
+-              cfg80211_chandef_create(&local->monitor_chandef,
+-                                      &sband->channels[0],
+-                                      NL80211_CHAN_NO_HT);
++
+               channels += sband->n_channels;
  
-       /*
-        * Change STA power saving mode only at the end of a frame
-@@ -2282,6 +2285,7 @@ ieee80211_rx_h_action(struct ieee80211_r
-                   sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
-                   sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
-                   sdata->vif.type != NL80211_IFTYPE_AP &&
-+                  sdata->vif.type != NL80211_IFTYPE_WDS &&
-                   sdata->vif.type != NL80211_IFTYPE_ADHOC)
-                       break;
+               if (max_bitrates < sband->n_bitrates)
+--- a/net/mac80211/mesh.c
++++ b/net/mac80211/mesh.c
+@@ -838,7 +838,7 @@ ieee80211_mesh_rx_probe_req(struct ieee8
+       if (baselen > len)
+               return;
  
-@@ -2336,7 +2340,7 @@ ieee80211_rx_h_action(struct ieee80211_r
-                       if (sdata->vif.type != NL80211_IFTYPE_STATION)
-                               break;
+-      ieee802_11_parse_elems(pos, len - baselen, &elems);
++      ieee802_11_parse_elems(pos, len - baselen, false, &elems);
  
--                      if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
-+                      if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid))
-                               break;
+       /* 802.11-2012 10.1.4.3.2 */
+       if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
+@@ -899,7 +899,7 @@ static void ieee80211_mesh_rx_bcn_presp(
+               return;
  
-                       goto queue;
-@@ -2492,14 +2496,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+       ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+-                             &elems);
++                             false, &elems);
  
-       if (!ieee80211_vif_is_mesh(&sdata->vif) &&
-           sdata->vif.type != NL80211_IFTYPE_ADHOC &&
--          sdata->vif.type != NL80211_IFTYPE_STATION)
-+          sdata->vif.type != NL80211_IFTYPE_STATION &&
-+          sdata->vif.type != NL80211_IFTYPE_WDS)
-               return RX_DROP_MONITOR;
+       /* ignore non-mesh or secure / unsecure mismatch */
+       if ((!elems.mesh_id || !elems.mesh_config) ||
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -880,7 +880,7 @@ void mesh_rx_path_sel_frame(struct ieee8
+       baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
+       ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
+-                      len - baselen, &elems);
++                             len - baselen, false, &elems);
+       if (elems.preq) {
+               if (elems.preq_len != 37)
+--- a/net/mac80211/mesh_plink.c
++++ b/net/mac80211/mesh_plink.c
+@@ -544,8 +544,8 @@ static void mesh_plink_timer(unsigned lo
+               return;
+       }
+       mpl_dbg(sta->sdata,
+-              "Mesh plink timer for %pM fired on state %d\n",
+-              sta->sta.addr, sta->plink_state);
++              "Mesh plink timer for %pM fired on state %s\n",
++              sta->sta.addr, mplstates[sta->plink_state]);
+       reason = 0;
+       llid = sta->llid;
+       plid = sta->plid;
+@@ -687,7 +687,7 @@ void mesh_rx_plink_frame(struct ieee8021
+               baseaddr += 4;
+               baselen += 4;
+       }
+-      ieee802_11_parse_elems(baseaddr, len - baselen, &elems);
++      ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
  
-       switch (stype) {
+       if (!elems.peering) {
+               mpl_dbg(sdata,
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -289,6 +289,8 @@ ieee80211_determine_chantype(struct ieee
+       } else {
+               /* 40 MHz (and 80 MHz) must be supported for VHT */
+               ret = IEEE80211_STA_DISABLE_VHT;
++              /* also mark 40 MHz disabled */
++              ret |= IEEE80211_STA_DISABLE_40MHZ;
+               goto out;
+       }
+@@ -303,12 +305,6 @@ ieee80211_determine_chantype(struct ieee
+                                              channel->band);
+       vht_chandef.center_freq2 = 0;
+-      if (vht_oper->center_freq_seg2_idx)
+-              vht_chandef.center_freq2 =
+-                      ieee80211_channel_to_frequency(
+-                              vht_oper->center_freq_seg2_idx,
+-                              channel->band);
+-
+       switch (vht_oper->chan_width) {
+       case IEEE80211_VHT_CHANWIDTH_USE_HT:
+               vht_chandef.width = chandef->width;
+@@ -321,6 +317,10 @@ ieee80211_determine_chantype(struct ieee
+               break;
+       case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
+               vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
++              vht_chandef.center_freq2 =
++                      ieee80211_channel_to_frequency(
++                              vht_oper->center_freq_seg2_idx,
++                              channel->band);
+               break;
+       default:
+               if (verbose)
+@@ -604,7 +604,6 @@ static void ieee80211_add_vht_ie(struct 
+       u8 *pos;
+       u32 cap;
+       struct ieee80211_sta_vht_cap vht_cap;
+-      int i;
+       BUILD_BUG_ON(sizeof(vht_cap) != sizeof(sband->vht_cap));
+@@ -632,37 +631,6 @@ static void ieee80211_add_vht_ie(struct 
+                       cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)))
+               cap &= ~IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
+-      if (!(ap_vht_cap->vht_cap_info &
+-                      cpu_to_le32(IEEE80211_VHT_CAP_TXSTBC)))
+-              cap &= ~(IEEE80211_VHT_CAP_RXSTBC_1 |
+-                       IEEE80211_VHT_CAP_RXSTBC_3 |
+-                       IEEE80211_VHT_CAP_RXSTBC_4);
+-
+-      for (i = 0; i < 8; i++) {
+-              int shift = i * 2;
+-              u16 mask = IEEE80211_VHT_MCS_NOT_SUPPORTED << shift;
+-              u16 ap_mcs, our_mcs;
+-
+-              ap_mcs = (le16_to_cpu(ap_vht_cap->supp_mcs.tx_mcs_map) &
+-                                                              mask) >> shift;
+-              our_mcs = (le16_to_cpu(vht_cap.vht_mcs.rx_mcs_map) &
+-                                                              mask) >> shift;
+-
+-              if (our_mcs == IEEE80211_VHT_MCS_NOT_SUPPORTED)
+-                      continue;
+-
+-              switch (ap_mcs) {
+-              default:
+-                      if (our_mcs <= ap_mcs)
+-                              break;
+-                      /* fall through */
+-              case IEEE80211_VHT_MCS_NOT_SUPPORTED:
+-                      vht_cap.vht_mcs.rx_mcs_map &= cpu_to_le16(~mask);
+-                      vht_cap.vht_mcs.rx_mcs_map |=
+-                              cpu_to_le16(ap_mcs << shift);
+-              }
+-      }
+-
+       /* reserve and fill IE */
+       pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
+       ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
+@@ -998,16 +966,7 @@ static void ieee80211_chswitch_work(stru
+       if (!ifmgd->associated)
+               goto out;
+-      /*
+-       * FIXME: Here we are downgrading to NL80211_CHAN_WIDTH_20_NOHT
+-       * and don't adjust our ht/vht settings
+-       * This is wrong - we should behave according to the CSA params
+-       */
+-      local->_oper_chandef.chan = local->csa_channel;
+-      local->_oper_chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
+-      local->_oper_chandef.center_freq1 =
+-              local->_oper_chandef.chan->center_freq;
+-      local->_oper_chandef.center_freq2 = 0;
++      local->_oper_chandef = local->csa_chandef;
+       if (!local->ops->channel_switch) {
+               /* call "hw_config" only if doing sw channel switch */
+@@ -1054,56 +1013,208 @@ static void ieee80211_chswitch_timer(uns
+       ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.chswitch_work);
+ }
+-void
++static void
+ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
+-                               const struct ieee80211_channel_sw_ie *sw_elem,
+-                               struct ieee80211_bss *bss, u64 timestamp)
++                               u64 timestamp, struct ieee802_11_elems *elems,
++                               bool beacon)
+ {
+-      struct cfg80211_bss *cbss =
+-              container_of((void *)bss, struct cfg80211_bss, priv);
+-      struct ieee80211_channel *new_ch;
++      struct ieee80211_local *local = sdata->local;
+       struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+-      int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num,
+-                                                    cbss->channel->band);
++      struct cfg80211_bss *cbss = ifmgd->associated;
++      struct ieee80211_bss *bss;
+       struct ieee80211_chanctx *chanctx;
++      enum ieee80211_band new_band;
++      int new_freq;
++      u8 new_chan_no;
++      u8 count;
++      u8 mode;
++      struct ieee80211_channel *new_chan;
++      struct cfg80211_chan_def new_chandef = {};
++      struct cfg80211_chan_def new_vht_chandef = {};
++      const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
++      const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
++      const struct ieee80211_ht_operation *ht_oper;
++      int secondary_channel_offset = -1;
+       ASSERT_MGD_MTX(ifmgd);
+-      if (!ifmgd->associated)
++      if (!cbss)
++              return;
++
++      if (local->scanning)
+               return;
+-      if (sdata->local->scanning)
++      /* disregard subsequent announcements if we are already processing */
++      if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
+               return;
+-      /* Disregard subsequent beacons if we are already running a timer
+-         processing a CSA */
++      sec_chan_offs = elems->sec_chan_offs;
++      wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
++      ht_oper = elems->ht_operation;
++
++      if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
++                          IEEE80211_STA_DISABLE_40MHZ)) {
++              sec_chan_offs = NULL;
++              wide_bw_chansw_ie = NULL;
++              /* only used for bandwidth here */
++              ht_oper = NULL;
++      }
+-      if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
++      if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
++              wide_bw_chansw_ie = NULL;
++
++      if (elems->ext_chansw_ie) {
++              if (!ieee80211_operating_class_to_band(
++                              elems->ext_chansw_ie->new_operating_class,
++                              &new_band)) {
++                      sdata_info(sdata,
++                                 "cannot understand ECSA IE operating class %d, disconnecting\n",
++                                 elems->ext_chansw_ie->new_operating_class);
++                      ieee80211_queue_work(&local->hw,
++                                           &ifmgd->csa_connection_drop_work);
++              }
++              new_chan_no = elems->ext_chansw_ie->new_ch_num;
++              count = elems->ext_chansw_ie->count;
++              mode = elems->ext_chansw_ie->mode;
++      } else if (elems->ch_switch_ie) {
++              new_band = cbss->channel->band;
++              new_chan_no = elems->ch_switch_ie->new_ch_num;
++              count = elems->ch_switch_ie->count;
++              mode = elems->ch_switch_ie->mode;
++      } else {
++              /* nothing here we understand */
+               return;
++      }
++
++      bss = (void *)cbss->priv;
+-      new_ch = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
+-      if (!new_ch || new_ch->flags & IEEE80211_CHAN_DISABLED) {
++      new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band);
++      new_chan = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
++      if (!new_chan || new_chan->flags & IEEE80211_CHAN_DISABLED) {
+               sdata_info(sdata,
+                          "AP %pM switches to unsupported channel (%d MHz), disconnecting\n",
+                          ifmgd->associated->bssid, new_freq);
+-              ieee80211_queue_work(&sdata->local->hw,
++              ieee80211_queue_work(&local->hw,
++                                   &ifmgd->csa_connection_drop_work);
++              return;
++      }
++
++      if (!beacon && sec_chan_offs) {
++              secondary_channel_offset = sec_chan_offs->sec_chan_offs;
++      } else if (beacon && ht_oper) {
++              secondary_channel_offset =
++                      ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
++      } else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
++              /*
++               * If it's not a beacon, HT is enabled and the IE not present,
++               * it's 20 MHz, 802.11-2012 8.5.2.6:
++               *      This element [the Secondary Channel Offset Element] is
++               *      present when switching to a 40 MHz channel. It may be
++               *      present when switching to a 20 MHz channel (in which
++               *      case the secondary channel offset is set to SCN).
++               */
++              secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++      }
++
++      switch (secondary_channel_offset) {
++      default:
++              /* secondary_channel_offset was present but is invalid */
++      case IEEE80211_HT_PARAM_CHA_SEC_NONE:
++              cfg80211_chandef_create(&new_chandef, new_chan,
++                                      NL80211_CHAN_HT20);
++              break;
++      case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
++              cfg80211_chandef_create(&new_chandef, new_chan,
++                                      NL80211_CHAN_HT40PLUS);
++              break;
++      case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
++              cfg80211_chandef_create(&new_chandef, new_chan,
++                                      NL80211_CHAN_HT40MINUS);
++              break;
++      case -1:
++              cfg80211_chandef_create(&new_chandef, new_chan,
++                                      NL80211_CHAN_NO_HT);
++              break;
++      }
++
++      if (wide_bw_chansw_ie) {
++              new_vht_chandef.chan = new_chan;
++              new_vht_chandef.center_freq1 =
++                      ieee80211_channel_to_frequency(
++                              wide_bw_chansw_ie->new_center_freq_seg0,
++                              new_band);
++
++              switch (wide_bw_chansw_ie->new_channel_width) {
++              default:
++                      /* hmmm, ignore VHT and use HT if present */
++              case IEEE80211_VHT_CHANWIDTH_USE_HT:
++                      new_vht_chandef.chan = NULL;
++                      break;
++              case IEEE80211_VHT_CHANWIDTH_80MHZ:
++                      new_vht_chandef.width = NL80211_CHAN_WIDTH_80;
++                      break;
++              case IEEE80211_VHT_CHANWIDTH_160MHZ:
++                      new_vht_chandef.width = NL80211_CHAN_WIDTH_160;
++                      break;
++              case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
++                      /* field is otherwise reserved */
++                      new_vht_chandef.center_freq2 =
++                              ieee80211_channel_to_frequency(
++                                      wide_bw_chansw_ie->new_center_freq_seg1,
++                                      new_band);
++                      new_vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
++                      break;
++              }
++              if (ifmgd->flags & IEEE80211_STA_DISABLE_80P80MHZ &&
++                  new_vht_chandef.width == NL80211_CHAN_WIDTH_80P80)
++                      chandef_downgrade(&new_vht_chandef);
++              if (ifmgd->flags & IEEE80211_STA_DISABLE_160MHZ &&
++                  new_vht_chandef.width == NL80211_CHAN_WIDTH_160)
++                      chandef_downgrade(&new_vht_chandef);
++              if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ &&
++                  new_vht_chandef.width > NL80211_CHAN_WIDTH_20)
++                      chandef_downgrade(&new_vht_chandef);
++      }
++
++      /* if VHT data is there validate & use it */
++      if (new_vht_chandef.chan) {
++              if (!cfg80211_chandef_compatible(&new_vht_chandef,
++                                               &new_chandef)) {
++                      sdata_info(sdata,
++                                 "AP %pM CSA has inconsistent channel data, disconnecting\n",
++                                 ifmgd->associated->bssid);
++                      ieee80211_queue_work(&local->hw,
++                                           &ifmgd->csa_connection_drop_work);
++                      return;
++              }
++              new_chandef = new_vht_chandef;
++      }
++
++      if (!cfg80211_chandef_usable(local->hw.wiphy, &new_chandef,
++                                   IEEE80211_CHAN_DISABLED)) {
++              sdata_info(sdata,
++                         "AP %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
++                         ifmgd->associated->bssid, new_freq,
++                         new_chandef.width, new_chandef.center_freq1,
++                         new_chandef.center_freq2);
++              ieee80211_queue_work(&local->hw,
+                                    &ifmgd->csa_connection_drop_work);
+               return;
+       }
+       ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+-      if (sdata->local->use_chanctx) {
++      if (local->use_chanctx) {
+               sdata_info(sdata,
+                          "not handling channel switch with channel contexts\n");
+-              ieee80211_queue_work(&sdata->local->hw,
++              ieee80211_queue_work(&local->hw,
+                                    &ifmgd->csa_connection_drop_work);
+               return;
+       }
+-      mutex_lock(&sdata->local->chanctx_mtx);
++      mutex_lock(&local->chanctx_mtx);
+       if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
+-              mutex_unlock(&sdata->local->chanctx_mtx);
++              mutex_unlock(&local->chanctx_mtx);
+               return;
+       }
+       chanctx = container_of(rcu_access_pointer(sdata->vif.chanctx_conf),
+@@ -1111,40 +1222,39 @@ ieee80211_sta_process_chanswitch(struct 
+       if (chanctx->refcount > 1) {
+               sdata_info(sdata,
+                          "channel switch with multiple interfaces on the same channel, disconnecting\n");
+-              ieee80211_queue_work(&sdata->local->hw,
++              ieee80211_queue_work(&local->hw,
+                                    &ifmgd->csa_connection_drop_work);
+-              mutex_unlock(&sdata->local->chanctx_mtx);
++              mutex_unlock(&local->chanctx_mtx);
+               return;
+       }
+-      mutex_unlock(&sdata->local->chanctx_mtx);
++      mutex_unlock(&local->chanctx_mtx);
+-      sdata->local->csa_channel = new_ch;
++      local->csa_chandef = new_chandef;
+-      if (sw_elem->mode)
+-              ieee80211_stop_queues_by_reason(&sdata->local->hw,
++      if (mode)
++              ieee80211_stop_queues_by_reason(&local->hw,
+                               IEEE80211_MAX_QUEUE_MAP,
+                               IEEE80211_QUEUE_STOP_REASON_CSA);
+-      if (sdata->local->ops->channel_switch) {
++      if (local->ops->channel_switch) {
+               /* use driver's channel switch callback */
+               struct ieee80211_channel_switch ch_switch = {
+                       .timestamp = timestamp,
+-                      .block_tx = sw_elem->mode,
+-                      .channel = new_ch,
+-                      .count = sw_elem->count,
++                      .block_tx = mode,
++                      .chandef = new_chandef,
++                      .count = count,
+               };
+-              drv_channel_switch(sdata->local, &ch_switch);
++              drv_channel_switch(local, &ch_switch);
+               return;
+       }
+       /* channel switch handled in software */
+-      if (sw_elem->count <= 1)
+-              ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
++      if (count <= 1)
++              ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
+       else
+               mod_timer(&ifmgd->chswitch_timer,
+-                        TU_TO_EXP_TIME(sw_elem->count *
+-                                       cbss->beacon_interval));
++                        TU_TO_EXP_TIME(count * cbss->beacon_interval));
+ }
+ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+@@ -2120,7 +2230,6 @@ void ieee80211_beacon_loss(struct ieee80
+       trace_api_beacon_loss(sdata);
+-      WARN_ON(hw->flags & IEEE80211_HW_CONNECTION_MONITOR);
+       sdata->u.mgd.connection_loss = false;
+       ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
+ }
+@@ -2170,7 +2279,7 @@ static void ieee80211_auth_challenge(str
+       u32 tx_flags = 0;
+       pos = mgmt->u.auth.variable;
+-      ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
++      ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+       if (!elems.challenge)
+               return;
+       auth_data->expected_transaction = 4;
+@@ -2435,7 +2544,7 @@ static bool ieee80211_assoc_success(stru
+       }
+       pos = mgmt->u.assoc_resp.variable;
+-      ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
++      ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+       if (!elems.supp_rates) {
+               sdata_info(sdata, "no SuppRates element in AssocResp\n");
+@@ -2604,7 +2713,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
+                  capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
+       pos = mgmt->u.assoc_resp.variable;
+-      ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
++      ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+       if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
+           elems.timeout_int &&
+@@ -2659,6 +2768,8 @@ static void ieee80211_rx_bss_info(struct
+       struct ieee80211_channel *channel;
+       bool need_ps = false;
++      lockdep_assert_held(&sdata->u.mgd.mtx);
++
+       if ((sdata->u.mgd.associated &&
+            ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid)) ||
+           (sdata->u.mgd.assoc_data &&
+@@ -2689,7 +2800,8 @@ static void ieee80211_rx_bss_info(struct
+       if (bss)
+               ieee80211_rx_bss_put(local, bss);
+-      if (!sdata->u.mgd.associated)
++      if (!sdata->u.mgd.associated ||
++          !ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid))
+               return;
+       if (need_ps) {
+@@ -2698,10 +2810,9 @@ static void ieee80211_rx_bss_info(struct
+               mutex_unlock(&local->iflist_mtx);
+       }
+-      if (elems->ch_switch_ie &&
+-          memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, ETH_ALEN) == 0)
+-              ieee80211_sta_process_chanswitch(sdata, elems->ch_switch_ie,
+-                                               bss, rx_status->mactime);
++      ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
++                                       elems, true);
++
+ }
+@@ -2726,7 +2837,7 @@ static void ieee80211_rx_mgmt_probe_resp
+               return;
+       ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+-                              &elems);
++                             false, &elems);
+       ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+@@ -2809,7 +2920,7 @@ ieee80211_rx_mgmt_beacon(struct ieee8021
+       if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
+           ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
+               ieee802_11_parse_elems(mgmt->u.beacon.variable,
+-                                     len - baselen, &elems);
++                                     len - baselen, false, &elems);
+               ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+               ifmgd->assoc_data->have_beacon = true;
+@@ -2919,7 +3030,7 @@ ieee80211_rx_mgmt_beacon(struct ieee8021
+       ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
+       ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
+-                                        len - baselen, &elems,
++                                        len - baselen, false, &elems,
+                                         care_about_ies, ncrc);
+       if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
+@@ -3066,6 +3177,8 @@ void ieee80211_sta_rx_queued_mgmt(struct
+       enum rx_mgmt_action rma = RX_MGMT_NONE;
+       u8 deauth_buf[IEEE80211_DEAUTH_FRAME_LEN];
+       u16 fc;
++      struct ieee802_11_elems elems;
++      int ies_len;
+       rx_status = (struct ieee80211_rx_status *) skb->cb;
+       mgmt = (struct ieee80211_mgmt *) skb->data;
+@@ -3095,14 +3208,48 @@ void ieee80211_sta_rx_queued_mgmt(struct
+               rma = ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, &bss);
+               break;
+       case IEEE80211_STYPE_ACTION:
+-              switch (mgmt->u.action.category) {
+-              case WLAN_CATEGORY_SPECTRUM_MGMT:
++              if (mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) {
++                      ies_len = skb->len -
++                                offsetof(struct ieee80211_mgmt,
++                                         u.action.u.chan_switch.variable);
++
++                      if (ies_len < 0)
++                              break;
++
++                      ieee802_11_parse_elems(
++                              mgmt->u.action.u.chan_switch.variable,
++                              ies_len, true, &elems);
++
++                      if (elems.parse_error)
++                              break;
++
+                       ieee80211_sta_process_chanswitch(sdata,
+-                                      &mgmt->u.action.u.chan_switch.sw_elem,
+-                                      (void *)ifmgd->associated->priv,
+-                                      rx_status->mactime);
+-                      break;
++                                                       rx_status->mactime,
++                                                       &elems, false);
++              } else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
++                      ies_len = skb->len -
++                                offsetof(struct ieee80211_mgmt,
++                                         u.action.u.ext_chan_switch.variable);
++
++                      if (ies_len < 0)
++                              break;
++
++                      ieee802_11_parse_elems(
++                              mgmt->u.action.u.ext_chan_switch.variable,
++                              ies_len, true, &elems);
++
++                      if (elems.parse_error)
++                              break;
++
++                      /* for the handling code pretend this was also an IE */
++                      elems.ext_chansw_ie =
++                              &mgmt->u.action.u.ext_chan_switch.data;
++
++                      ieee80211_sta_process_chanswitch(sdata,
++                                                       rx_status->mactime,
++                                                       &elems, false);
+               }
++              break;
+       }
+       mutex_unlock(&ifmgd->mtx);
+@@ -4197,7 +4344,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+       struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+       u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+       bool tx = !req->local_state_change;
+-      bool sent_frame = false;
++      bool report_frame = false;
+       mutex_lock(&ifmgd->mtx);
+@@ -4214,7 +4361,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+               ieee80211_destroy_auth_data(sdata, false);
+               mutex_unlock(&ifmgd->mtx);
+-              sent_frame = tx;
++              report_frame = true;
+               goto out;
+       }
+@@ -4222,12 +4369,12 @@ int ieee80211_mgd_deauth(struct ieee8021
+           ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
+               ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+                                      req->reason_code, tx, frame_buf);
+-              sent_frame = tx;
++              report_frame = true;
+       }
+       mutex_unlock(&ifmgd->mtx);
+  out:
+-      if (sent_frame)
++      if (report_frame)
+               __cfg80211_send_deauth(sdata->dev, frame_buf,
+                                      IEEE80211_DEAUTH_FRAME_LEN);
+--- a/net/mac80211/pm.c
++++ b/net/mac80211/pm.c
+@@ -38,8 +38,8 @@ int __ieee80211_suspend(struct ieee80211
+                                       IEEE80211_MAX_QUEUE_MAP,
+                                       IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+-      /* flush out all packets */
+-      synchronize_net();
++      /* flush out all packets and station cleanup call_rcu()s */
++      rcu_barrier();
+       ieee80211_flush_queues(local, NULL);
+--- a/net/mac80211/rate.c
++++ b/net/mac80211/rate.c
+@@ -252,6 +252,25 @@ rate_lowest_non_cck_index(struct ieee802
+       return 0;
+ }
++static void __rate_control_send_low(struct ieee80211_hw *hw,
++                                  struct ieee80211_supported_band *sband,
++                                  struct ieee80211_sta *sta,
++                                  struct ieee80211_tx_info *info)
++{
++      if ((sband->band != IEEE80211_BAND_2GHZ) ||
++          !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
++              info->control.rates[0].idx = rate_lowest_index(sband, sta);
++      else
++              info->control.rates[0].idx =
++                      rate_lowest_non_cck_index(sband, sta);
++
++      info->control.rates[0].count =
++              (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
++              1 : hw->max_rate_tries;
++
++      info->control.skip_table = 1;
++}
++
+ bool rate_control_send_low(struct ieee80211_sta *sta,
+                          void *priv_sta,
+@@ -262,16 +281,8 @@ bool rate_control_send_low(struct ieee80
+       int mcast_rate;
+       if (!sta || !priv_sta || rc_no_data_or_no_ack_use_min(txrc)) {
+-              if ((sband->band != IEEE80211_BAND_2GHZ) ||
+-                  !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
+-                      info->control.rates[0].idx =
+-                              rate_lowest_index(txrc->sband, sta);
+-              else
+-                      info->control.rates[0].idx =
+-                              rate_lowest_non_cck_index(txrc->sband, sta);
+-              info->control.rates[0].count =
+-                      (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
+-                      1 : txrc->hw->max_rate_tries;
++              __rate_control_send_low(txrc->hw, sband, sta, info);
++
+               if (!sta && txrc->bss) {
+                       mcast_rate = txrc->bss_conf->mcast_rate[sband->band];
+                       if (mcast_rate > 0) {
+@@ -355,7 +366,8 @@ static bool rate_idx_match_mcs_mask(stru
+ static void rate_idx_match_mask(struct ieee80211_tx_rate *rate,
+-                              struct ieee80211_tx_rate_control *txrc,
++                              struct ieee80211_supported_band *sband,
++                              enum nl80211_chan_width chan_width,
+                               u32 mask,
+                               u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
+ {
+@@ -375,27 +387,17 @@ static void rate_idx_match_mask(struct i
+                                 IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
+               alt_rate.count = rate->count;
+               if (rate_idx_match_legacy_mask(&alt_rate,
+-                                             txrc->sband->n_bitrates,
+-                                             mask)) {
++                                             sband->n_bitrates, mask)) {
+                       *rate = alt_rate;
+                       return;
+               }
+       } else {
+-              struct sk_buff *skb = txrc->skb;
+-              struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+-              __le16 fc;
+-
+               /* handle legacy rates */
+-              if (rate_idx_match_legacy_mask(rate, txrc->sband->n_bitrates,
+-                                             mask))
++              if (rate_idx_match_legacy_mask(rate, sband->n_bitrates, mask))
+                       return;
+               /* if HT BSS, and we handle a data frame, also try HT rates */
+-              if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
+-                      return;
+-
+-              fc = hdr->frame_control;
+-              if (!ieee80211_is_data(fc))
++              if (chan_width == NL80211_CHAN_WIDTH_20_NOHT)
+                       return;
+               alt_rate.idx = 0;
+@@ -408,7 +410,7 @@ static void rate_idx_match_mask(struct i
+               alt_rate.flags |= IEEE80211_TX_RC_MCS;
+-              if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_40)
++              if (chan_width == NL80211_CHAN_WIDTH_40)
+                       alt_rate.flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+               if (rate_idx_match_mcs_mask(&alt_rate, mcs_mask)) {
+@@ -426,6 +428,228 @@ static void rate_idx_match_mask(struct i
+        */
+ }
++static void rate_fixup_ratelist(struct ieee80211_vif *vif,
++                              struct ieee80211_supported_band *sband,
++                              struct ieee80211_tx_info *info,
++                              struct ieee80211_tx_rate *rates,
++                              int max_rates)
++{
++      struct ieee80211_rate *rate;
++      bool inval = false;
++      int i;
++
++      /*
++       * Set up the RTS/CTS rate as the fastest basic rate
++       * that is not faster than the data rate unless there
++       * is no basic rate slower than the data rate, in which
++       * case we pick the slowest basic rate
++       *
++       * XXX: Should this check all retry rates?
++       */
++      if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
++              u32 basic_rates = vif->bss_conf.basic_rates;
++              s8 baserate = basic_rates ? ffs(basic_rates - 1) : 0;
++
++              rate = &sband->bitrates[rates[0].idx];
++
++              for (i = 0; i < sband->n_bitrates; i++) {
++                      /* must be a basic rate */
++                      if (!(basic_rates & BIT(i)))
++                              continue;
++                      /* must not be faster than the data rate */
++                      if (sband->bitrates[i].bitrate > rate->bitrate)
++                              continue;
++                      /* maximum */
++                      if (sband->bitrates[baserate].bitrate <
++                           sband->bitrates[i].bitrate)
++                              baserate = i;
++              }
++
++              info->control.rts_cts_rate_idx = baserate;
++      }
++
++      for (i = 0; i < max_rates; i++) {
++              /*
++               * make sure there's no valid rate following
++               * an invalid one, just in case drivers don't
++               * take the API seriously to stop at -1.
++               */
++              if (inval) {
++                      rates[i].idx = -1;
++                      continue;
++              }
++              if (rates[i].idx < 0) {
++                      inval = true;
++                      continue;
++              }
++
++              /*
++               * For now assume MCS is already set up correctly, this
++               * needs to be fixed.
++               */
++              if (rates[i].flags & IEEE80211_TX_RC_MCS) {
++                      WARN_ON(rates[i].idx > 76);
++
++                      if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
++                          info->control.use_cts_prot)
++                              rates[i].flags |=
++                                      IEEE80211_TX_RC_USE_CTS_PROTECT;
++                      continue;
++              }
++
++              if (rates[i].flags & IEEE80211_TX_RC_VHT_MCS) {
++                      WARN_ON(ieee80211_rate_get_vht_mcs(&rates[i]) > 9);
++                      continue;
++              }
++
++              /* set up RTS protection if desired */
++              if (info->control.use_rts) {
++                      rates[i].flags |= IEEE80211_TX_RC_USE_RTS_CTS;
++                      info->control.use_cts_prot = false;
++              }
++
++              /* RC is busted */
++              if (WARN_ON_ONCE(rates[i].idx >= sband->n_bitrates)) {
++                      rates[i].idx = -1;
++                      continue;
++              }
++
++              rate = &sband->bitrates[rates[i].idx];
++
++              /* set up short preamble */
++              if (info->control.short_preamble &&
++                  rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
++                      rates[i].flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
++
++              /* set up G protection */
++              if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
++                  info->control.use_cts_prot &&
++                  rate->flags & IEEE80211_RATE_ERP_G)
++                      rates[i].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
++      }
++}
++
++
++static void rate_control_fill_sta_table(struct ieee80211_sta *sta,
++                                      struct ieee80211_tx_info *info,
++                                      struct ieee80211_tx_rate *rates,
++                                      int max_rates)
++{
++      struct ieee80211_sta_rates *ratetbl = NULL;
++      int i;
++
++      if (sta && !info->control.skip_table)
++              ratetbl = rcu_dereference(sta->rates);
++
++      /* Fill remaining rate slots with data from the sta rate table. */
++      max_rates = min_t(int, max_rates, IEEE80211_TX_RATE_TABLE_SIZE);
++      for (i = 0; i < max_rates; i++) {
++              if (i < ARRAY_SIZE(info->control.rates) &&
++                  info->control.rates[i].idx >= 0 &&
++                  info->control.rates[i].count) {
++                      if (rates != info->control.rates)
++                              rates[i] = info->control.rates[i];
++              } else if (ratetbl) {
++                      rates[i].idx = ratetbl->rate[i].idx;
++                      rates[i].flags = ratetbl->rate[i].flags;
++                      if (info->control.use_rts)
++                              rates[i].count = ratetbl->rate[i].count_rts;
++                      else if (info->control.use_cts_prot)
++                              rates[i].count = ratetbl->rate[i].count_cts;
++                      else
++                              rates[i].count = ratetbl->rate[i].count;
++              } else {
++                      rates[i].idx = -1;
++                      rates[i].count = 0;
++              }
++
++              if (rates[i].idx < 0 || !rates[i].count)
++                      break;
++      }
++}
++
++static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata,
++                                  struct ieee80211_sta *sta,
++                                  struct ieee80211_supported_band *sband,
++                                  struct ieee80211_tx_info *info,
++                                  struct ieee80211_tx_rate *rates,
++                                  int max_rates)
++{
++      enum nl80211_chan_width chan_width;
++      u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
++      bool has_mcs_mask;
++      u32 mask;
++      int i;
++
++      /*
++       * Try to enforce the rateidx mask the user wanted. skip this if the
++       * default mask (allow all rates) is used to save some processing for
++       * the common case.
++       */
++      mask = sdata->rc_rateidx_mask[info->band];
++      has_mcs_mask = sdata->rc_has_mcs_mask[info->band];
++      if (mask == (1 << sband->n_bitrates) - 1 && !has_mcs_mask)
++              return;
++
++      if (has_mcs_mask)
++              memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
++                     sizeof(mcs_mask));
++      else
++              memset(mcs_mask, 0xff, sizeof(mcs_mask));
++
++      if (sta) {
++              /* Filter out rates that the STA does not support */
++              mask &= sta->supp_rates[info->band];
++              for (i = 0; i < sizeof(mcs_mask); i++)
++                      mcs_mask[i] &= sta->ht_cap.mcs.rx_mask[i];
++      }
++
++      /*
++       * Make sure the rate index selected for each TX rate is
++       * included in the configured mask and change the rate indexes
++       * if needed.
++       */
++      chan_width = sdata->vif.bss_conf.chandef.width;
++      for (i = 0; i < max_rates; i++) {
++              /* Skip invalid rates */
++              if (rates[i].idx < 0)
++                      break;
++
++              rate_idx_match_mask(&rates[i], sband, chan_width, mask,
++                                  mcs_mask);
++      }
++}
++
++void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
++                          struct ieee80211_sta *sta,
++                          struct sk_buff *skb,
++                          struct ieee80211_tx_rate *dest,
++                          int max_rates)
++{
++      struct ieee80211_sub_if_data *sdata;
++      struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
++      struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
++      struct ieee80211_supported_band *sband;
++
++      rate_control_fill_sta_table(sta, info, dest, max_rates);
++
++      if (!vif)
++              return;
++
++      sdata = vif_to_sdata(vif);
++      sband = sdata->local->hw.wiphy->bands[info->band];
++
++      if (ieee80211_is_data(hdr->frame_control))
++              rate_control_apply_mask(sdata, sta, sband, info, dest, max_rates);
++
++      if (dest[0].idx < 0)
++              __rate_control_send_low(&sdata->local->hw, sband, sta, info);
++
++      if (sta)
++              rate_fixup_ratelist(vif, sband, info, dest, max_rates);
++}
++EXPORT_SYMBOL(ieee80211_get_tx_rates);
++
+ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
+                          struct sta_info *sta,
+                          struct ieee80211_tx_rate_control *txrc)
+@@ -435,8 +659,6 @@ void rate_control_get_rate(struct ieee80
+       struct ieee80211_sta *ista = NULL;
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
+       int i;
+-      u32 mask;
+-      u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
+       if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
+               ista = &sta->sta;
+@@ -454,37 +676,27 @@ void rate_control_get_rate(struct ieee80
+       ref->ops->get_rate(ref->priv, ista, priv_sta, txrc);
+-      /*
+-       * Try to enforce the rateidx mask the user wanted. skip this if the
+-       * default mask (allow all rates) is used to save some processing for
+-       * the common case.
+-       */
+-      mask = sdata->rc_rateidx_mask[info->band];
+-      memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
+-             sizeof(mcs_mask));
+-      if (mask != (1 << txrc->sband->n_bitrates) - 1) {
+-              if (sta) {
+-                      /* Filter out rates that the STA does not support */
+-                      mask &= sta->sta.supp_rates[info->band];
+-                      for (i = 0; i < sizeof(mcs_mask); i++)
+-                              mcs_mask[i] &= sta->sta.ht_cap.mcs.rx_mask[i];
+-              }
+-              /*
+-               * Make sure the rate index selected for each TX rate is
+-               * included in the configured mask and change the rate indexes
+-               * if needed.
+-               */
+-              for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+-                      /* Skip invalid rates */
+-                      if (info->control.rates[i].idx < 0)
+-                              break;
+-                      rate_idx_match_mask(&info->control.rates[i], txrc,
+-                                          mask, mcs_mask);
+-              }
+-      }
++      if (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_RC_TABLE)
++              return;
+-      BUG_ON(info->control.rates[0].idx < 0);
++      ieee80211_get_tx_rates(&sdata->vif, ista, txrc->skb,
++                             info->control.rates,
++                             ARRAY_SIZE(info->control.rates));
++}
++
++int rate_control_set_rates(struct ieee80211_hw *hw,
++                         struct ieee80211_sta *pubsta,
++                         struct ieee80211_sta_rates *rates)
++{
++      struct ieee80211_sta_rates *old = rcu_dereference(pubsta->rates);
++
++      rcu_assign_pointer(pubsta->rates, rates);
++      if (old)
++              kfree_rcu(old, rcu_head);
++
++      return 0;
+ }
++EXPORT_SYMBOL(rate_control_set_rates);
+ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
+                                const char *name)
+--- a/net/mac80211/rc80211_minstrel.c
++++ b/net/mac80211/rc80211_minstrel.c
+@@ -84,6 +84,50 @@ minstrel_sort_best_tp_rates(struct minst
+ }
+ static void
++minstrel_set_rate(struct minstrel_sta_info *mi, struct ieee80211_sta_rates *ratetbl,
++                int offset, int idx)
++{
++      struct minstrel_rate *r = &mi->r[idx];
++
++      ratetbl->rate[offset].idx = r->rix;
++      ratetbl->rate[offset].count = r->adjusted_retry_count;
++      ratetbl->rate[offset].count_cts = r->retry_count_cts;
++      ratetbl->rate[offset].count_rts = r->retry_count_rtscts;
++}
++
++static void
++minstrel_update_rates(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
++{
++      struct ieee80211_sta_rates *ratetbl;
++      int i = 0;
++
++      ratetbl = kzalloc(sizeof(*ratetbl), GFP_ATOMIC);
++      if (!ratetbl)
++              return;
++
++      /* Start with max_tp_rate */
++      minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[0]);
++
++      if (mp->hw->max_rates >= 3) {
++              /* At least 3 tx rates supported, use max_tp_rate2 next */
++              minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[1]);
++      }
++
++      if (mp->hw->max_rates >= 2) {
++              /* At least 2 tx rates supported, use max_prob_rate next */
++              minstrel_set_rate(mi, ratetbl, i++, mi->max_prob_rate);
++      }
++
++      /* Use lowest rate last */
++      ratetbl->rate[i].idx = mi->lowest_rix;
++      ratetbl->rate[i].count = mp->max_retry;
++      ratetbl->rate[i].count_cts = mp->max_retry;
++      ratetbl->rate[i].count_rts = mp->max_retry;
++
++      rate_control_set_rates(mp->hw, mi->sta, ratetbl);
++}
++
++static void
+ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
+ {
+       u8 tmp_tp_rate[MAX_THR_RATES];
+@@ -161,6 +205,8 @@ minstrel_update_stats(struct minstrel_pr
+       /* Reset update timer */
+       mi->stats_update = jiffies;
++
++      minstrel_update_rates(mp, mi);
+ }
+ static void
+@@ -209,9 +255,9 @@ minstrel_get_retry_count(struct minstrel
+ {
+       unsigned int retry = mr->adjusted_retry_count;
+-      if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
++      if (info->control.use_rts)
+               retry = max(2U, min(mr->retry_count_rtscts, retry));
+-      else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
++      else if (info->control.use_cts_prot)
+               retry = max(2U, min(mr->retry_count_cts, retry));
+       return retry;
+ }
+@@ -240,13 +286,12 @@ minstrel_get_rate(void *priv, struct iee
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       struct minstrel_sta_info *mi = priv_sta;
+       struct minstrel_priv *mp = priv;
+-      struct ieee80211_tx_rate *ar = info->control.rates;
+-      unsigned int ndx, sample_ndx = 0;
++      struct ieee80211_tx_rate *rate = &info->control.rates[0];
++      struct minstrel_rate *msr, *mr;
++      unsigned int ndx;
+       bool mrr_capable;
+-      bool indirect_rate_sampling = false;
+-      bool rate_sampling = false;
+-      int i, delta;
+-      int mrr_ndx[3];
++      bool prev_sample = mi->prev_sample;
++      int delta;
+       int sampling_ratio;
+       /* management/no-ack frames do not use rate control */
+@@ -262,107 +307,75 @@ minstrel_get_rate(void *priv, struct iee
+       else
+               sampling_ratio = mp->lookaround_rate;
+-      /* init rateindex [ndx] with max throughput rate */
+-      ndx = mi->max_tp_rate[0];
+-
+       /* increase sum packet counter */
+       mi->packet_count++;
+       delta = (mi->packet_count * sampling_ratio / 100) -
+                       (mi->sample_count + mi->sample_deferred / 2);
+-      /* delta > 0: sampling required */
+-      if ((delta > 0) && (mrr_capable || !mi->prev_sample)) {
+-              struct minstrel_rate *msr;
+-              if (mi->packet_count >= 10000) {
+-                      mi->sample_deferred = 0;
+-                      mi->sample_count = 0;
+-                      mi->packet_count = 0;
+-              } else if (delta > mi->n_rates * 2) {
+-                      /* With multi-rate retry, not every planned sample
+-                       * attempt actually gets used, due to the way the retry
+-                       * chain is set up - [max_tp,sample,prob,lowest] for
+-                       * sample_rate < max_tp.
+-                       *
+-                       * If there's too much sampling backlog and the link
+-                       * starts getting worse, minstrel would start bursting
+-                       * out lots of sampling frames, which would result
+-                       * in a large throughput loss. */
+-                      mi->sample_count += (delta - mi->n_rates * 2);
+-              }
++      /* delta < 0: no sampling required */
++      mi->prev_sample = false;
++      if (delta < 0 || (!mrr_capable && prev_sample))
++              return;
+-              /* get next random rate sample */
+-              sample_ndx = minstrel_get_next_sample(mi);
+-              msr = &mi->r[sample_ndx];
+-              rate_sampling = true;
+-
+-              /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
+-               * rate sampling method should be used.
+-               * Respect such rates that are not sampled for 20 interations.
+-               */
+-              if (mrr_capable &&
+-                  msr->perfect_tx_time > mi->r[ndx].perfect_tx_time &&
+-                  msr->sample_skipped < 20)
+-                              indirect_rate_sampling = true;
+-
+-              if (!indirect_rate_sampling) {
+-                      if (msr->sample_limit != 0) {
+-                              ndx = sample_ndx;
+-                              mi->sample_count++;
+-                              if (msr->sample_limit > 0)
+-                                      msr->sample_limit--;
+-                      } else
+-                              rate_sampling = false;
+-              } else {
+-                      /* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
+-                       * packets that have the sampling rate deferred to the
+-                       * second MRR stage. Increase the sample counter only
+-                       * if the deferred sample rate was actually used.
+-                       * Use the sample_deferred counter to make sure that
+-                       * the sampling is not done in large bursts */
+-                      info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+-                      mi->sample_deferred++;
+-              }
++      if (mi->packet_count >= 10000) {
++              mi->sample_deferred = 0;
++              mi->sample_count = 0;
++              mi->packet_count = 0;
++      } else if (delta > mi->n_rates * 2) {
++              /* With multi-rate retry, not every planned sample
++               * attempt actually gets used, due to the way the retry
++               * chain is set up - [max_tp,sample,prob,lowest] for
++               * sample_rate < max_tp.
++               *
++               * If there's too much sampling backlog and the link
++               * starts getting worse, minstrel would start bursting
++               * out lots of sampling frames, which would result
++               * in a large throughput loss. */
++              mi->sample_count += (delta - mi->n_rates * 2);
++      }
++
++      /* get next random rate sample */
++      ndx = minstrel_get_next_sample(mi);
++      msr = &mi->r[ndx];
++      mr = &mi->r[mi->max_tp_rate[0]];
++
++      /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
++       * rate sampling method should be used.
++       * Respect such rates that are not sampled for 20 interations.
++       */
++      if (mrr_capable &&
++          msr->perfect_tx_time > mr->perfect_tx_time &&
++          msr->sample_skipped < 20) {
++              /* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
++               * packets that have the sampling rate deferred to the
++               * second MRR stage. Increase the sample counter only
++               * if the deferred sample rate was actually used.
++               * Use the sample_deferred counter to make sure that
++               * the sampling is not done in large bursts */
++              info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
++              rate++;
++              mi->sample_deferred++;
++      } else {
++              if (!msr->sample_limit != 0)
++                      return;
++
++              mi->sample_count++;
++              if (msr->sample_limit > 0)
++                      msr->sample_limit--;
+       }
+-      mi->prev_sample = rate_sampling;
+       /* If we're not using MRR and the sampling rate already
+        * has a probability of >95%, we shouldn't be attempting
+        * to use it, as this only wastes precious airtime */
+-      if (!mrr_capable && rate_sampling &&
++      if (!mrr_capable &&
+          (mi->r[ndx].probability > MINSTREL_FRAC(95, 100)))
+-              ndx = mi->max_tp_rate[0];
+-
+-      /* mrr setup for 1st stage */
+-      ar[0].idx = mi->r[ndx].rix;
+-      ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
+-
+-      /* non mrr setup for 2nd stage */
+-      if (!mrr_capable) {
+-              if (!rate_sampling)
+-                      ar[0].count = mp->max_retry;
+-              ar[1].idx = mi->lowest_rix;
+-              ar[1].count = mp->max_retry;
+               return;
+-      }
+-      /* mrr setup for 2nd stage */
+-      if (rate_sampling) {
+-              if (indirect_rate_sampling)
+-                      mrr_ndx[0] = sample_ndx;
+-              else
+-                      mrr_ndx[0] = mi->max_tp_rate[0];
+-      } else {
+-              mrr_ndx[0] = mi->max_tp_rate[1];
+-      }
++      mi->prev_sample = true;
+-      /* mrr setup for 3rd & 4th stage */
+-      mrr_ndx[1] = mi->max_prob_rate;
+-      mrr_ndx[2] = 0;
+-      for (i = 1; i < 4; i++) {
+-              ar[i].idx = mi->r[mrr_ndx[i - 1]].rix;
+-              ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count;
+-      }
++      rate->idx = mi->r[ndx].rix;
++      rate->count = minstrel_get_retry_count(&mi->r[ndx], info);
+ }
+@@ -412,12 +425,16 @@ minstrel_rate_init(void *priv, struct ie
+       unsigned int i, n = 0;
+       unsigned int t_slot = 9; /* FIXME: get real slot time */
++      mi->sta = sta;
+       mi->lowest_rix = rate_lowest_index(sband, sta);
+       ctl_rate = &sband->bitrates[mi->lowest_rix];
+       mi->sp_ack_dur = ieee80211_frame_duration(sband->band, 10,
+                               ctl_rate->bitrate,
+                               !!(ctl_rate->flags & IEEE80211_RATE_ERP_G), 1);
++      memset(mi->max_tp_rate, 0, sizeof(mi->max_tp_rate));
++      mi->max_prob_rate = 0;
++
+       for (i = 0; i < sband->n_bitrates; i++) {
+               struct minstrel_rate *mr = &mi->r[n];
+               unsigned int tx_time = 0, tx_time_cts = 0, tx_time_rtscts = 0;
+@@ -460,6 +477,8 @@ minstrel_rate_init(void *priv, struct ie
+               } while ((tx_time < mp->segment_size) &&
+                               (++mr->retry_count < mp->max_retry));
+               mr->adjusted_retry_count = mr->retry_count;
++              if (!(sband->bitrates[i].flags & IEEE80211_RATE_ERP_G))
++                      mr->retry_count_cts = mr->retry_count;
+       }
+       for (i = n; i < sband->n_bitrates; i++) {
+@@ -471,6 +490,7 @@ minstrel_rate_init(void *priv, struct ie
+       mi->stats_update = jiffies;
+       init_sample_table(mi);
++      minstrel_update_rates(mp, mi);
+ }
+ static void *
+--- a/net/mac80211/rc80211_minstrel.h
++++ b/net/mac80211/rc80211_minstrel.h
+@@ -9,7 +9,8 @@
+ #ifndef __RC_MINSTREL_H
+ #define __RC_MINSTREL_H
+-#define EWMA_LEVEL    75      /* ewma weighting factor [%] */
++#define EWMA_LEVEL    96      /* ewma weighting factor [/EWMA_DIV] */
++#define EWMA_DIV      128
+ #define SAMPLE_COLUMNS        10      /* number of columns in sample table */
+@@ -27,7 +28,7 @@
+ static inline int
+ minstrel_ewma(int old, int new, int weight)
+ {
+-      return (new * (100 - weight) + old * weight) / 100;
++      return (new * (EWMA_DIV - weight) + old * weight) / EWMA_DIV;
+ }
+@@ -62,6 +63,8 @@ struct minstrel_rate {
+ };
+ struct minstrel_sta_info {
++      struct ieee80211_sta *sta;
++
+       unsigned long stats_update;
+       unsigned int sp_ack_dur;
+       unsigned int rate_avg;
+--- a/net/mac80211/rc80211_minstrel_debugfs.c
++++ b/net/mac80211/rc80211_minstrel_debugfs.c
+@@ -68,7 +68,7 @@ minstrel_stats_open(struct inode *inode,
+       file->private_data = ms;
+       p = ms->buf;
+-      p += sprintf(p, "rate     throughput  ewma prob   this prob  "
++      p += sprintf(p, "rate      throughput  ewma prob  this prob  "
+                       "this succ/attempt   success    attempts\n");
+       for (i = 0; i < mi->n_rates; i++) {
+               struct minstrel_rate *mr = &mi->r[i];
+@@ -86,7 +86,7 @@ minstrel_stats_open(struct inode *inode,
+               eprob = MINSTREL_TRUNC(mr->probability * 1000);
+               p += sprintf(p, "  %6u.%1u   %6u.%1u   %6u.%1u        "
+-                              "%3u(%3u)   %8llu    %8llu\n",
++                              "   %3u(%3u)  %8llu    %8llu\n",
+                               tp / 10, tp % 10,
+                               eprob / 10, eprob % 10,
+                               prob / 10, prob % 10,
+--- a/net/mac80211/rc80211_minstrel_ht.c
++++ b/net/mac80211/rc80211_minstrel_ht.c
+@@ -126,6 +126,9 @@ const struct mcs_group minstrel_mcs_grou
+ static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES];
++static void
++minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi);
++
+ /*
+  * Look up an MCS group index based on mac80211 rate information
+  */
+@@ -244,6 +247,7 @@ minstrel_ht_update_stats(struct minstrel
+       struct minstrel_rate_stats *mr;
+       int cur_prob, cur_prob_tp, cur_tp, cur_tp2;
+       int group, i, index;
++      bool mi_rates_valid = false;
+       if (mi->ampdu_packets > 0) {
+               mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
+@@ -254,11 +258,10 @@ minstrel_ht_update_stats(struct minstrel
+       mi->sample_slow = 0;
+       mi->sample_count = 0;
+-      mi->max_tp_rate = 0;
+-      mi->max_tp_rate2 = 0;
+-      mi->max_prob_rate = 0;
+       for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
++              bool mg_rates_valid = false;
++
+               cur_prob = 0;
+               cur_prob_tp = 0;
+               cur_tp = 0;
+@@ -268,15 +271,24 @@ minstrel_ht_update_stats(struct minstrel
+               if (!mg->supported)
+                       continue;
+-              mg->max_tp_rate = 0;
+-              mg->max_tp_rate2 = 0;
+-              mg->max_prob_rate = 0;
+               mi->sample_count++;
+               for (i = 0; i < MCS_GROUP_RATES; i++) {
+                       if (!(mg->supported & BIT(i)))
+                               continue;
++                      /* initialize rates selections starting indexes */
++                      if (!mg_rates_valid) {
++                              mg->max_tp_rate = mg->max_tp_rate2 =
++                                      mg->max_prob_rate = i;
++                              if (!mi_rates_valid) {
++                                      mi->max_tp_rate = mi->max_tp_rate2 =
++                                              mi->max_prob_rate = i;
++                                      mi_rates_valid = true;
++                              }
++                              mg_rates_valid = true;
++                      }
++
+                       mr = &mg->rates[i];
+                       mr->retry_updated = false;
+                       index = MCS_GROUP_RATES * group + i;
+@@ -456,7 +468,7 @@ minstrel_ht_tx_status(void *priv, struct
+       struct ieee80211_tx_rate *ar = info->status.rates;
+       struct minstrel_rate_stats *rate, *rate2;
+       struct minstrel_priv *mp = priv;
+-      bool last;
++      bool last, update = false;
+       int i;
+       if (!msp->is_ht)
+@@ -505,21 +517,29 @@ minstrel_ht_tx_status(void *priv, struct
+       rate = minstrel_get_ratestats(mi, mi->max_tp_rate);
+       if (rate->attempts > 30 &&
+           MINSTREL_FRAC(rate->success, rate->attempts) <
+-          MINSTREL_FRAC(20, 100))
++          MINSTREL_FRAC(20, 100)) {
+               minstrel_downgrade_rate(mi, &mi->max_tp_rate, true);
++              update = true;
++      }
+       rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate2);
+       if (rate2->attempts > 30 &&
+           MINSTREL_FRAC(rate2->success, rate2->attempts) <
+-          MINSTREL_FRAC(20, 100))
++          MINSTREL_FRAC(20, 100)) {
+               minstrel_downgrade_rate(mi, &mi->max_tp_rate2, false);
++              update = true;
++      }
+       if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000)) {
++              update = true;
+               minstrel_ht_update_stats(mp, mi);
+               if (!(info->flags & IEEE80211_TX_CTL_AMPDU) &&
+                   mi->max_prob_rate / MCS_GROUP_RATES != MINSTREL_CCK_GROUP)
+                       minstrel_aggr_check(sta, skb);
+       }
++
++      if (update)
++              minstrel_ht_update_rates(mp, mi);
+ }
+ static void
+@@ -580,39 +600,73 @@ minstrel_calc_retransmit(struct minstrel
+                (++mr->retry_count < mp->max_retry));
+ }
+-
+ static void
+ minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
+-                     struct ieee80211_tx_rate *rate, int index,
+-                     bool sample, bool rtscts)
++                     struct ieee80211_sta_rates *ratetbl, int offset, int index)
+ {
+       const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
+       struct minstrel_rate_stats *mr;
++      u8 idx;
++      u16 flags;
+       mr = minstrel_get_ratestats(mi, index);
+       if (!mr->retry_updated)
+               minstrel_calc_retransmit(mp, mi, index);
+-      if (sample)
+-              rate->count = 1;
+-      else if (mr->probability < MINSTREL_FRAC(20, 100))
+-              rate->count = 2;
+-      else if (rtscts)
+-              rate->count = mr->retry_count_rtscts;
+-      else
+-              rate->count = mr->retry_count;
+-
+-      rate->flags = 0;
+-      if (rtscts)
+-              rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
++      if (mr->probability < MINSTREL_FRAC(20, 100) || !mr->retry_count) {
++              ratetbl->rate[offset].count = 2;
++              ratetbl->rate[offset].count_rts = 2;
++              ratetbl->rate[offset].count_cts = 2;
++      } else {
++              ratetbl->rate[offset].count = mr->retry_count;
++              ratetbl->rate[offset].count_cts = mr->retry_count;
++              ratetbl->rate[offset].count_rts = mr->retry_count_rtscts;
++      }
+       if (index / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
+-              rate->idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
++              idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
++              flags = 0;
++      } else {
++              idx = index % MCS_GROUP_RATES +
++                    (group->streams - 1) * MCS_GROUP_RATES;
++              flags = IEEE80211_TX_RC_MCS | group->flags;
++      }
++
++      if (offset > 0) {
++              ratetbl->rate[offset].count = ratetbl->rate[offset].count_rts;
++              flags |= IEEE80211_TX_RC_USE_RTS_CTS;
++      }
++
++      ratetbl->rate[offset].idx = idx;
++      ratetbl->rate[offset].flags = flags;
++}
++
++static void
++minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
++{
++      struct ieee80211_sta_rates *rates;
++      int i = 0;
++
++      rates = kzalloc(sizeof(*rates), GFP_ATOMIC);
++      if (!rates)
+               return;
++
++      /* Start with max_tp_rate */
++      minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate);
++
++      if (mp->hw->max_rates >= 3) {
++              /* At least 3 tx rates supported, use max_tp_rate2 next */
++              minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate2);
++      }
++
++      if (mp->hw->max_rates >= 2) {
++              /*
++               * At least 2 tx rates supported, use max_prob_rate next */
++              minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
+       }
+-      rate->flags |= IEEE80211_TX_RC_MCS | group->flags;
+-      rate->idx = index % MCS_GROUP_RATES + (group->streams - 1) * MCS_GROUP_RATES;
++      rates->rate[i].idx = -1;
++      rate_control_set_rates(mp->hw, mi->sta, rates);
+ }
+ static inline int
+@@ -702,13 +756,13 @@ static void
+ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
+                      struct ieee80211_tx_rate_control *txrc)
+ {
++      const struct mcs_group *sample_group;
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
+-      struct ieee80211_tx_rate *ar = info->status.rates;
++      struct ieee80211_tx_rate *rate = &info->status.rates[0];
+       struct minstrel_ht_sta_priv *msp = priv_sta;
+       struct minstrel_ht_sta *mi = &msp->ht;
+       struct minstrel_priv *mp = priv;
+       int sample_idx;
+-      bool sample = false;
+       if (rate_control_send_low(sta, priv_sta, txrc))
+               return;
+@@ -736,51 +790,6 @@ minstrel_ht_get_rate(void *priv, struct 
+       }
+ #endif
+-      if (sample_idx >= 0) {
+-              sample = true;
+-              minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
+-                      true, false);
+-              info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+-      } else {
+-              minstrel_ht_set_rate(mp, mi, &ar[0], mi->max_tp_rate,
+-                      false, false);
+-      }
+-
+-      if (mp->hw->max_rates >= 3) {
+-              /*
+-               * At least 3 tx rates supported, use
+-               * sample_rate -> max_tp_rate -> max_prob_rate for sampling and
+-               * max_tp_rate -> max_tp_rate2 -> max_prob_rate by default.
+-               */
+-              if (sample_idx >= 0)
+-                      minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
+-                              false, false);
+-              else
+-                      minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
+-                              false, true);
+-
+-              minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate,
+-                                   false, !sample);
+-
+-              ar[3].count = 0;
+-              ar[3].idx = -1;
+-      } else if (mp->hw->max_rates == 2) {
+-              /*
+-               * Only 2 tx rates supported, use
+-               * sample_rate -> max_prob_rate for sampling and
+-               * max_tp_rate -> max_prob_rate by default.
+-               */
+-              minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_prob_rate,
+-                                   false, !sample);
+-
+-              ar[2].count = 0;
+-              ar[2].idx = -1;
+-      } else {
+-              /* Not using MRR, only use the first rate */
+-              ar[1].count = 0;
+-              ar[1].idx = -1;
+-      }
+-
+       mi->total_packets++;
+       /* wraparound */
+@@ -788,6 +797,16 @@ minstrel_ht_get_rate(void *priv, struct 
+               mi->total_packets = 0;
+               mi->sample_packets = 0;
+       }
++
++      if (sample_idx < 0)
++              return;
++
++      sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
++      info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
++      rate->idx = sample_idx % MCS_GROUP_RATES +
++                  (sample_group->streams - 1) * MCS_GROUP_RATES;
++      rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags;
++      rate->count = 1;
+ }
+ static void
+@@ -837,6 +856,8 @@ minstrel_ht_update_caps(void *priv, stru
+       msp->is_ht = true;
+       memset(mi, 0, sizeof(*mi));
++
++      mi->sta = sta;
+       mi->stats_update = jiffies;
+       ack_dur = ieee80211_frame_duration(sband->band, 10, 60, 1, 1);
+@@ -898,6 +919,9 @@ minstrel_ht_update_caps(void *priv, stru
+       if (!n_supported)
+               goto use_legacy;
++      minstrel_ht_update_stats(mp, mi);
++      minstrel_ht_update_rates(mp, mi);
++
+       return;
+ use_legacy:
+--- a/net/mac80211/rc80211_minstrel_ht.h
++++ b/net/mac80211/rc80211_minstrel_ht.h
+@@ -65,6 +65,8 @@ struct minstrel_mcs_group_data {
+ };
+ struct minstrel_ht_sta {
++      struct ieee80211_sta *sta;
++
+       /* ampdu length (average, per sampling interval) */
+       unsigned int ampdu_len;
+       unsigned int ampdu_packets;
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -1372,6 +1372,7 @@ ieee80211_rx_h_sta_process(struct ieee80
+       struct sk_buff *skb = rx->skb;
+       struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
++      int i;
+       if (!sta)
+               return RX_CONTINUE;
+@@ -1422,6 +1423,19 @@ ieee80211_rx_h_sta_process(struct ieee80
+               ewma_add(&sta->avg_signal, -status->signal);
+       }
++      if (status->chains) {
++              sta->chains = status->chains;
++              for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {
++                      int signal = status->chain_signal[i];
++
++                      if (!(status->chains & BIT(i)))
++                              continue;
++
++                      sta->chain_signal_last[i] = signal;
++                      ewma_add(&sta->chain_signal_avg[i], -signal);
++              }
++      }
++
+       /*
+        * Change STA power saving mode only at the end of a frame
+        * exchange sequence.
+@@ -2085,6 +2099,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80
+       }
+       fwd_hdr =  (struct ieee80211_hdr *) fwd_skb->data;
++      fwd_hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_RETRY);
+       info = IEEE80211_SKB_CB(fwd_skb);
+       memset(info, 0, sizeof(*info));
+       info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+@@ -2356,6 +2371,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+                   sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+                   sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+                   sdata->vif.type != NL80211_IFTYPE_AP &&
++                  sdata->vif.type != NL80211_IFTYPE_WDS &&
+                   sdata->vif.type != NL80211_IFTYPE_ADHOC)
+                       break;
+@@ -2423,6 +2439,22 @@ ieee80211_rx_h_action(struct ieee80211_r
+               }
+               break;
++      case WLAN_CATEGORY_PUBLIC:
++              if (len < IEEE80211_MIN_ACTION_SIZE + 1)
++                      goto invalid;
++              if (sdata->vif.type != NL80211_IFTYPE_STATION)
++                      break;
++              if (!rx->sta)
++                      break;
++              if (!ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid))
++                      break;
++              if (mgmt->u.action.u.ext_chan_switch.action_code !=
++                              WLAN_PUB_ACTION_EXT_CHANSW_ANN)
++                      break;
++              if (len < offsetof(struct ieee80211_mgmt,
++                                 u.action.u.ext_chan_switch.variable))
++                      goto invalid;
++              goto queue;
+       case WLAN_CATEGORY_VHT:
+               if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+                   sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+@@ -2506,10 +2538,6 @@ ieee80211_rx_h_action(struct ieee80211_r
+                       ieee80211_process_measurement_req(sdata, mgmt, len);
+                       goto handled;
+               case WLAN_ACTION_SPCT_CHL_SWITCH:
+-                      if (len < (IEEE80211_MIN_ACTION_SIZE +
+-                                 sizeof(mgmt->u.action.u.chan_switch)))
+-                              break;
+-
+                       if (sdata->vif.type != NL80211_IFTYPE_STATION)
+                               break;
+@@ -2695,14 +2723,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+       if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+           sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+-          sdata->vif.type != NL80211_IFTYPE_STATION)
++          sdata->vif.type != NL80211_IFTYPE_STATION &&
++          sdata->vif.type != NL80211_IFTYPE_WDS)
+               return RX_DROP_MONITOR;
+       switch (stype) {
        case cpu_to_le16(IEEE80211_STYPE_AUTH):
        case cpu_to_le16(IEEE80211_STYPE_BEACON):
        case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
                break;
        case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
        case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
-@@ -2853,10 +2858,16 @@ static int prepare_for_handlers(struct i
+@@ -3023,6 +3052,9 @@ static int prepare_for_handlers(struct i
+                        * and location updates. Note that mac80211
+                        * itself never looks at these frames.
+                        */
++                      if (!multicast &&
++                          !ether_addr_equal(sdata->vif.addr, hdr->addr1))
++                              return 0;
+                       if (ieee80211_is_public_action(hdr, skb->len))
+                               return 1;
+                       if (!ieee80211_is_beacon(hdr->frame_control))
+@@ -3031,10 +3063,16 @@ static int prepare_for_handlers(struct i
                }
                break;
        case NL80211_IFTYPE_WDS:
 -              if (bssid || !ieee80211_is_data(hdr->frame_control))
 -                      return 0;
-               if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+               if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
                        return 0;
 +
 +              if (ieee80211_is_data(hdr->frame_control) ||
 +                      return 0;
 +
                break;
-       default:
-               /* should never get here */
---- a/net/mac80211/sta_info.c
-+++ b/net/mac80211/sta_info.c
-@@ -9,6 +9,7 @@
+       case NL80211_IFTYPE_P2P_DEVICE:
+               if (!ieee80211_is_public_action(hdr, skb->len) &&
+--- a/net/mac80211/scan.c
++++ b/net/mac80211/scan.c
+@@ -181,7 +181,7 @@ void ieee80211_scan_rx(struct ieee80211_
+       if (baselen > skb->len)
+               return;
  
- #include <linux/module.h>
- #include <linux/init.h>
-+#include <linux/etherdevice.h>
- #include <linux/netdevice.h>
- #include <linux/types.h>
- #include <linux/slab.h>
-@@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct iee
-                                   lockdep_is_held(&local->sta_mtx));
-       while (sta) {
-               if (sta->sdata == sdata &&
--                  memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
-+                  compare_ether_addr(sta->sta.addr, addr) == 0)
-                       break;
-               sta = rcu_dereference_check(sta->hnext,
-                                           lockdep_is_held(&local->sta_mtx));
-@@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct
-       while (sta) {
-               if ((sta->sdata == sdata ||
-                    (sta->sdata->bss && sta->sdata->bss == sdata->bss)) &&
--                  memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
-+                  compare_ether_addr(sta->sta.addr, addr) == 0)
-                       break;
-               sta = rcu_dereference_check(sta->hnext,
-                                           lockdep_is_held(&local->sta_mtx));
-@@ -1050,7 +1051,7 @@ static void ieee80211_send_null_response
-        * exchange. Also set EOSP to indicate this packet
-        * ends the poll/service period.
-        */
--      info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE |
-+      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
-                      IEEE80211_TX_STATUS_EOSP |
-                      IEEE80211_TX_CTL_REQ_TX_STATUS;
-@@ -1177,7 +1178,7 @@ ieee80211_sta_ps_deliver_response(struct
-                        * STA may still remain is PS mode after this frame
-                        * exchange.
-                        */
--                      info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE;
-+                      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
+-      ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
++      ieee802_11_parse_elems(elements, skb->len - baselen, false, &elems);
+       channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
  
-                       /*
-                        * Use MoreData flag to indicate whether there are
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
-@@ -14,6 +14,7 @@
- #include <linux/if_ether.h>
- #include <linux/workqueue.h>
- #include <linux/average.h>
-+#include <linux/etherdevice.h>
- #include "key.h"
- /**
-@@ -31,7 +32,6 @@
+@@ -32,7 +32,6 @@
   * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
   *    frames.
   * @WLAN_STA_WME: Station is a QoS-STA.
   * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
   *    IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
   *    frame to this station is transmitted.
-@@ -62,7 +62,6 @@ enum ieee80211_sta_info_flags {
+@@ -66,7 +65,6 @@ enum ieee80211_sta_info_flags {
        WLAN_STA_AUTHORIZED,
        WLAN_STA_SHORT_PREAMBLE,
        WLAN_STA_WME,
        WLAN_STA_CLEAR_PS_FILT,
        WLAN_STA_MFP,
        WLAN_STA_BLOCK_BA,
-@@ -489,7 +488,7 @@ void for_each_sta_info_type_check(struct
-               nxt = _sta ? rcu_dereference(_sta->hnext) : NULL        \
-            )                                                          \
-       /* compare address and run code only if it matches */           \
--      if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0)
-+      if (compare_ether_addr(_sta->sta.addr, (_addr)) == 0)
- /*
-  * Get STA info by index, BROKEN!
---- a/net/mac80211/tx.c
-+++ b/net/mac80211/tx.c
-@@ -448,18 +448,23 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
-       struct ieee80211_local *local = tx->local;
--      if (unlikely(!sta ||
--                   ieee80211_is_probe_resp(hdr->frame_control) ||
--                   ieee80211_is_auth(hdr->frame_control) ||
--                   ieee80211_is_assoc_resp(hdr->frame_control) ||
--                   ieee80211_is_reassoc_resp(hdr->frame_control)))
-+      if (unlikely(!sta))
-               return TX_CONTINUE;
-       if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) ||
-                     test_sta_flag(sta, WLAN_STA_PS_DRIVER)) &&
--                   !(info->flags & IEEE80211_TX_CTL_POLL_RESPONSE))) {
-+                   !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) {
-               int ac = skb_get_queue_mapping(tx->skb);
-+              /* only deauth, disassoc and action are bufferable MMPDUs */
-+              if (ieee80211_is_mgmt(hdr->frame_control) &&
-+                  !ieee80211_is_deauth(hdr->frame_control) &&
-+                  !ieee80211_is_disassoc(hdr->frame_control) &&
-+                  !ieee80211_is_action(hdr->frame_control)) {
-+                      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
-+                      return TX_CONTINUE;
-+              }
+@@ -344,6 +342,11 @@ struct sta_info {
+       int last_signal;
+       struct ewma avg_signal;
+       int last_ack_signal;
 +
- #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-               printk(KERN_DEBUG "STA %pM aid %d: PS buffer for AC %d\n",
-                      sta->sta.addr, sta->sta.aid, ac);
-@@ -1060,6 +1065,7 @@ static bool ieee80211_tx_prep_agg(struct
- {
-       bool queued = false;
-       bool reset_agg_timer = false;
-+      struct sk_buff *purge_skb = NULL;
-       if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
-               info->flags |= IEEE80211_TX_CTL_AMPDU;
-@@ -1101,8 +1107,13 @@ static bool ieee80211_tx_prep_agg(struct
-                       info->control.vif = &tx->sdata->vif;
-                       info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
-                       __skb_queue_tail(&tid_tx->pending, skb);
-+                      if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER)
-+                              purge_skb = __skb_dequeue(&tid_tx->pending);
-               }
-               spin_unlock(&tx->sta->lock);
++      u8 chains;
++      s8 chain_signal_last[IEEE80211_MAX_CHAINS];
++      struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS];
 +
-+              if (purge_skb)
-+                      dev_kfree_skb(purge_skb);
-       }
-       /* reset session timer */
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -480,7 +480,7 @@ struct ieee80211_if_ibss {
-       bool control_port;
--      u8 bssid[ETH_ALEN];
-+      u8 bssid[ETH_ALEN] __aligned(2);
-       u8 ssid[IEEE80211_MAX_SSID_LEN];
-       u8 ssid_len, ie_len;
-       u8 *ie;
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -66,7 +66,7 @@ static void __ieee80211_sta_join_ibss(st
-       skb_reset_tail_pointer(skb);
-       skb_reserve(skb, sdata->local->hw.extra_tx_headroom);
--      if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
-+      if (compare_ether_addr(ifibss->bssid, bssid))
-               sta_info_flush(sdata->local, sdata);
-       /* if merging, indicate to driver that we leave the old IBSS */
-@@ -403,7 +403,7 @@ static void ieee80211_rx_bss_info(struct
-               return;
-       if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
--          memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, sdata->u.ibss.bssid) == 0) {
+       /* Plus 1 for non-QoS frames */
+       __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
+--- a/net/mac80211/trace.h
++++ b/net/mac80211/trace.h
+@@ -990,23 +990,23 @@ TRACE_EVENT(drv_channel_switch,
+       TP_STRUCT__entry(
+               LOCAL_ENTRY
++              CHANDEF_ENTRY
+               __field(u64, timestamp)
+               __field(bool, block_tx)
+-              __field(u16, freq)
+               __field(u8, count)
+       ),
+       TP_fast_assign(
+               LOCAL_ASSIGN;
++              CHANDEF_ASSIGN(&ch_switch->chandef)
+               __entry->timestamp = ch_switch->timestamp;
+               __entry->block_tx = ch_switch->block_tx;
+-              __entry->freq = ch_switch->channel->center_freq;
+               __entry->count = ch_switch->count;
+       ),
+       TP_printk(
+-              LOCAL_PR_FMT " new freq:%u count:%d",
+-              LOCAL_PR_ARG, __entry->freq, __entry->count
++              LOCAL_PR_FMT " new " CHANDEF_PR_FMT " count:%d",
++              LOCAL_PR_ARG, CHANDEF_PR_ARG, __entry->count
+       )
+ );
  
-               rcu_read_lock();
-               sta = sta_info_get(sdata, mgmt->sa);
-@@ -508,7 +508,7 @@ static void ieee80211_rx_bss_info(struct
-               goto put_bss;
-       /* same BSSID */
--      if (memcmp(cbss->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0)
-+      if (compare_ether_addr(cbss->bssid, sdata->u.ibss.bssid) == 0)
-               goto put_bss;
-       if (rx_status->flag & RX_FLAG_MACTIME_MPDU) {
-@@ -831,8 +831,8 @@ static void ieee80211_rx_mgmt_probe_req(
-       if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
-               return;
--      if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
--          memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
-+      if (compare_ether_addr(mgmt->bssid, ifibss->bssid) != 0 &&
-+          !is_broadcast_ether_addr(mgmt->bssid))
-               return;
-       end = ((u8 *) mgmt) + len;
---- a/net/mac80211/mesh.c
-+++ b/net/mac80211/mesh.c
-@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80
-                       kmem_cache_free(rm_cache, p);
-                       --entries;
-               } else if ((seqnum == p->seqnum) &&
--                         (memcmp(sa, p->sa, ETH_ALEN) == 0))
-+                         (compare_ether_addr(sa, p->sa) == 0))
-                       return -1;
-       }
---- a/net/mac80211/mesh_hwmp.c
-+++ b/net/mac80211/mesh_hwmp.c
-@@ -8,6 +8,7 @@
-  */
- #include <linux/slab.h>
-+#include <linux/etherdevice.h>
- #include <asm/unaligned.h>
- #include "wme.h"
- #include "mesh.h"
-@@ -419,7 +420,7 @@ static u32 hwmp_route_info_get(struct ie
-               new_metric = MAX_METRIC;
-       exp_time = TU_TO_EXP_TIME(orig_lifetime);
--      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) {
-+      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) {
-               /* This MP is the originator, we are not interested in this
-                * frame, except for updating transmitter's path info.
-                */
-@@ -469,7 +470,7 @@ static u32 hwmp_route_info_get(struct ie
-       /* Update and check transmitter routing info */
-       ta = mgmt->sa;
--      if (memcmp(orig_addr, ta, ETH_ALEN) == 0)
-+      if (compare_ether_addr(orig_addr, ta) == 0)
-               fresh_info = false;
-       else {
-               fresh_info = true;
-@@ -529,7 +530,7 @@ static void hwmp_preq_frame_process(stru
-       mhwmp_dbg("received PREQ from %pM", orig_addr);
--      if (memcmp(target_addr, sdata->vif.addr, ETH_ALEN) == 0) {
-+      if (compare_ether_addr(target_addr, sdata->vif.addr) == 0) {
-               mhwmp_dbg("PREQ is for us");
-               forward = false;
-               reply = true;
-@@ -624,7 +625,7 @@ static void hwmp_prep_frame_process(stru
-       mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem));
-       orig_addr = PREP_IE_ORIG_ADDR(prep_elem);
--      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
-               /* destination, no forwarding required */
-               return;
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -48,15 +48,15 @@ static __le16 ieee80211_duration(struct 
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  
-@@ -694,10 +695,12 @@ static void hwmp_perr_frame_process(stru
-       rcu_read_lock();
-       mpath = mesh_path_lookup(target_addr, sdata);
-       if (mpath) {
-+              struct sta_info *sta;
-+
-               spin_lock_bh(&mpath->state_lock);
-+              sta = next_hop_deref_protected(mpath);
-               if (mpath->flags & MESH_PATH_ACTIVE &&
--                  memcmp(ta, next_hop_deref_protected(mpath)->sta.addr,
--                                                      ETH_ALEN) == 0 &&
-+                  compare_ether_addr(ta, sta->sta.addr) == 0 &&
-                   (!(mpath->flags & MESH_PATH_SN_VALID) ||
-                   SN_GT(target_sn, mpath->sn))) {
-                       mpath->flags &= ~MESH_PATH_ACTIVE;
-@@ -739,7 +742,7 @@ static void hwmp_rann_frame_process(stru
-       metric = rann->rann_metric;
-       /*  Ignore our own RANNs */
--      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
-               return;
+       /* assume HW handles this */
+-      if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
++      if (tx->rate.flags & IEEE80211_TX_RC_MCS)
+               return 0;
  
-       mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr,
-@@ -1064,7 +1067,7 @@ int mesh_nexthop_lookup(struct sk_buff *
-       if (time_after(jiffies,
-                      mpath->exp_time -
-                      msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&
--          !memcmp(sdata->vif.addr, hdr->addr4, ETH_ALEN) &&
-+          !compare_ether_addr(sdata->vif.addr, hdr->addr4) &&
-           !(mpath->flags & MESH_PATH_RESOLVING) &&
-           !(mpath->flags & MESH_PATH_FIXED))
-               mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH);
---- a/net/mac80211/mesh_pathtbl.c
-+++ b/net/mac80211/mesh_pathtbl.c
-@@ -350,7 +350,7 @@ static struct mesh_path *mpath_lookup(st
-       hlist_for_each_entry_rcu(node, n, bucket, list) {
-               mpath = node->mpath;
-               if (mpath->sdata == sdata &&
--                              memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
-+                              compare_ether_addr(dst, mpath->dst) == 0) {
-                       if (MPATH_EXPIRED(mpath)) {
-                               spin_lock_bh(&mpath->state_lock);
-                               mpath->flags &= ~MESH_PATH_ACTIVE;
-@@ -525,7 +525,7 @@ int mesh_path_add(u8 *dst, struct ieee80
-       int err = 0;
-       u32 hash_idx;
--      if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(dst, sdata->vif.addr) == 0)
-               /* never add ourselves as neighbours */
-               return -ENOTSUPP;
-@@ -566,7 +566,8 @@ int mesh_path_add(u8 *dst, struct ieee80
-       err = -EEXIST;
-       hlist_for_each_entry(node, n, bucket, list) {
-               mpath = node->mpath;
--              if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
-+              if (mpath->sdata == sdata &&
-+                  compare_ether_addr(dst, mpath->dst) == 0)
-                       goto err_exists;
-       }
+       /* uh huh? */
+-      if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
++      if (WARN_ON_ONCE(tx->rate.idx < 0))
+               return 0;
  
-@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
-       int err = 0;
-       u32 hash_idx;
--      if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
-+      if (compare_ether_addr(dst, sdata->vif.addr) == 0)
-               /* never add ourselves as neighbours */
-               return -ENOTSUPP;
-@@ -694,7 +695,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
-       err = -EEXIST;
-       hlist_for_each_entry(node, n, bucket, list) {
-               mpath = node->mpath;
--              if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
-+              if (mpath->sdata == sdata &&
-+                  compare_ether_addr(dst, mpath->dst) == 0)
-                       goto err_exists;
+       sband = local->hw.wiphy->bands[info->band];
+-      txrate = &sband->bitrates[info->control.rates[0].idx];
++      txrate = &sband->bitrates[tx->rate.idx];
+       erp = txrate->flags & IEEE80211_RATE_ERP_G;
+@@ -617,11 +617,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+       struct ieee80211_hdr *hdr = (void *)tx->skb->data;
+       struct ieee80211_supported_band *sband;
+-      struct ieee80211_rate *rate;
+-      int i;
+       u32 len;
+-      bool inval = false, rts = false, short_preamble = false;
+       struct ieee80211_tx_rate_control txrc;
++      struct ieee80211_sta_rates *ratetbl = NULL;
+       bool assoc = false;
+       memset(&txrc, 0, sizeof(txrc));
+@@ -642,18 +640,23 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+               txrc.max_rate_idx = -1;
+       else
+               txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
+-      memcpy(txrc.rate_idx_mcs_mask,
+-             tx->sdata->rc_rateidx_mcs_mask[info->band],
+-             sizeof(txrc.rate_idx_mcs_mask));
++
++      if (tx->sdata->rc_has_mcs_mask[info->band])
++              txrc.rate_idx_mcs_mask =
++                      tx->sdata->rc_rateidx_mcs_mask[info->band];
++
+       txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
+                   tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
+                   tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
+       /* set up RTS protection if desired */
+       if (len > tx->local->hw.wiphy->rts_threshold) {
+-              txrc.rts = rts = true;
++              txrc.rts = true;
        }
  
-@@ -887,7 +889,7 @@ int mesh_path_del(u8 *addr, struct ieee8
-       hlist_for_each_entry(node, n, bucket, list) {
-               mpath = node->mpath;
-               if (mpath->sdata == sdata &&
--                  memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
-+                  compare_ether_addr(addr, mpath->dst) == 0) {
-                       __mesh_path_del(tbl, node);
-                       goto enddel;
-               }
---- a/net/mac80211/mlme.c
-+++ b/net/mac80211/mlme.c
-@@ -1812,7 +1812,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_
-       memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);
--      if (memcmp(bssid, mgmt->bssid, ETH_ALEN))
-+      if (compare_ether_addr(bssid, mgmt->bssid))
-               return RX_MGMT_NONE;
-       auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
-@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021
-               return RX_MGMT_NONE;
-       if (!ifmgd->associated ||
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
-               return RX_MGMT_NONE;
-       bssid = ifmgd->associated->bssid;
-@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80
-               return RX_MGMT_NONE;
-       if (!ifmgd->associated ||
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
-               return RX_MGMT_NONE;
-       reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
-@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
-       if (!assoc_data)
-               return RX_MGMT_NONE;
--      if (memcmp(assoc_data->bss->bssid, mgmt->bssid, ETH_ALEN))
-+      if (compare_ether_addr(assoc_data->bss->bssid, mgmt->bssid))
-               return RX_MGMT_NONE;
++      info->control.use_rts = txrc.rts;
++      info->control.use_cts_prot = tx->sdata->vif.bss_conf.use_cts_prot;
++
        /*
-@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct
-       bool need_ps = false;
-       if (sdata->u.mgd.associated &&
--          memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid,
--                 ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, sdata->u.mgd.associated->bssid)
-+          == 0) {
-               bss = (void *)sdata->u.mgd.associated->priv;
-               /* not previously set so we may need to recalc */
-               need_ps = !bss->dtim_period;
-@@ -2334,7 +2334,7 @@ static void ieee80211_rx_mgmt_probe_resp
-       ASSERT_MGD_MTX(ifmgd);
--      if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN))
-+      if (compare_ether_addr(mgmt->da, sdata->vif.addr))
-               return; /* ignore ProbeResp to foreign address */
-       baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
-@@ -2347,11 +2347,12 @@ static void ieee80211_rx_mgmt_probe_resp
-       ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
-       if (ifmgd->associated &&
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN) == 0)
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid) == 0)
-               ieee80211_reset_ap_probe(sdata);
-       if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
--          memcmp(mgmt->bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, ifmgd->auth_data->bss->bssid)
-+          == 0) {
-               /* got probe response, continue with auth */
-               printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name);
-               ifmgd->auth_data->tries = 0;
-@@ -2408,7 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(str
-               return;
-       if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
--          memcmp(mgmt->bssid, ifmgd->assoc_data->bss->bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(mgmt->bssid, ifmgd->assoc_data->bss->bssid)
-+          == 0) {
-               ieee802_11_parse_elems(mgmt->u.beacon.variable,
-                                      len - baselen, &elems);
-@@ -2423,7 +2425,7 @@ static void ieee80211_rx_mgmt_beacon(str
-       }
-       if (!ifmgd->associated ||
--          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
-+          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
-               return;
-       bssid = ifmgd->associated->bssid;
-@@ -3285,7 +3287,7 @@ int ieee80211_mgd_assoc(struct ieee80211
-               bool match;
-               /* keep sta info, bssid if matching */
--              match = memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN) == 0;
-+              match = compare_ether_addr(ifmgd->bssid, req->bss->bssid) == 0;
-               ieee80211_destroy_auth_data(sdata, match);
-       }
-@@ -3407,7 +3409,7 @@ int ieee80211_mgd_assoc(struct ieee80211
-                       goto err_clear;
-               }
-       } else
--              WARN_ON_ONCE(memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN));
-+              WARN_ON_ONCE(compare_ether_addr(ifmgd->bssid, req->bss->bssid));
-       if (!bss->dtim_period &&
-           sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) {
-@@ -3448,7 +3450,7 @@ int ieee80211_mgd_deauth(struct ieee8021
-       mutex_lock(&ifmgd->mtx);
-       if (ifmgd->associated &&
--          memcmp(ifmgd->associated->bssid, req->bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(ifmgd->associated->bssid, req->bssid) == 0) {
-               ieee80211_set_disassoc(sdata, false, true);
-               assoc_bss = true;
-       } else if (ifmgd->auth_data) {
---- a/net/mac80211/status.c
-+++ b/net/mac80211/status.c
-@@ -10,6 +10,7 @@
-  */
+        * Use short preamble if the BSS can handle it, but not for
+        * management frames unless we know the receiver can handle
+@@ -663,7 +666,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+       if (tx->sdata->vif.bss_conf.use_short_preamble &&
+           (ieee80211_is_data(hdr->frame_control) ||
+            (tx->sta && test_sta_flag(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
+-              txrc.short_preamble = short_preamble = true;
++              txrc.short_preamble = true;
++
++      info->control.short_preamble = txrc.short_preamble;
  
- #include <linux/export.h>
-+#include <linux/etherdevice.h>
- #include <net/mac80211.h>
- #include <asm/unaligned.h>
- #include "ieee80211_i.h"
-@@ -377,7 +378,7 @@ void ieee80211_tx_status(struct ieee8021
-       for_each_sta_info(local, hdr->addr1, sta, tmp) {
-               /* skip wrong virtual interface */
--              if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
-+              if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr))
-                       continue;
+       if (tx->sta)
+               assoc = test_sta_flag(tx->sta, WLAN_STA_ASSOC);
+@@ -687,16 +692,38 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+        */
+       rate_control_get_rate(tx->sdata, tx->sta, &txrc);
  
-               if (info->flags & IEEE80211_TX_STATUS_EOSP)
---- a/net/wireless/mlme.c
-+++ b/net/wireless/mlme.c
-@@ -6,6 +6,7 @@
+-      if (unlikely(info->control.rates[0].idx < 0))
+-              return TX_DROP;
++      if (tx->sta && !info->control.skip_table)
++              ratetbl = rcu_dereference(tx->sta->sta.rates);
++
++      if (unlikely(info->control.rates[0].idx < 0)) {
++              if (ratetbl) {
++                      struct ieee80211_tx_rate rate = {
++                              .idx = ratetbl->rate[0].idx,
++                              .flags = ratetbl->rate[0].flags,
++                              .count = ratetbl->rate[0].count
++                      };
++
++                      if (ratetbl->rate[0].idx < 0)
++                              return TX_DROP;
++
++                      tx->rate = rate;
++              } else {
++                      return TX_DROP;
++              }
++      } else {
++              tx->rate = info->control.rates[0];
++      }
  
- #include <linux/kernel.h>
- #include <linux/module.h>
-+#include <linux/etherdevice.h>
- #include <linux/netdevice.h>
- #include <linux/nl80211.h>
- #include <linux/slab.h>
-@@ -100,7 +101,7 @@ void __cfg80211_send_deauth(struct net_d
-       ASSERT_WDEV_LOCK(wdev);
-       if (wdev->current_bss &&
--          memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
-               cfg80211_unhold_bss(wdev->current_bss);
-               cfg80211_put_bss(&wdev->current_bss->pub);
-               wdev->current_bss = NULL;
-@@ -115,7 +116,7 @@ void __cfg80211_send_deauth(struct net_d
-               reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
--              from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
-+              from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
-               __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
-       } else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
-               __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
-@@ -154,7 +155,7 @@ void __cfg80211_send_disassoc(struct net
-               return;
+       if (txrc.reported_rate.idx < 0) {
+-              txrc.reported_rate = info->control.rates[0];
++              txrc.reported_rate = tx->rate;
+               if (tx->sta && ieee80211_is_data(hdr->frame_control))
+                       tx->sta->last_tx_rate = txrc.reported_rate;
+       } else if (tx->sta)
+               tx->sta->last_tx_rate = txrc.reported_rate;
  
-       if (wdev->current_bss &&
--          memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
-               cfg80211_sme_disassoc(dev, wdev->current_bss);
-               cfg80211_unhold_bss(wdev->current_bss);
-               cfg80211_put_bss(&wdev->current_bss->pub);
-@@ -165,7 +166,7 @@ void __cfg80211_send_disassoc(struct net
++      if (ratetbl)
++              return TX_CONTINUE;
++
+       if (unlikely(!info->control.rates[0].count))
+               info->control.rates[0].count = 1;
  
-       reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+@@ -704,91 +731,6 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+                        (info->flags & IEEE80211_TX_CTL_NO_ACK)))
+               info->control.rates[0].count = 1;
  
--      from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
-+      from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
-       __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+-      if (is_multicast_ether_addr(hdr->addr1)) {
+-              /*
+-               * XXX: verify the rate is in the basic rateset
+-               */
+-              return TX_CONTINUE;
+-      }
+-
+-      /*
+-       * set up the RTS/CTS rate as the fastest basic rate
+-       * that is not faster than the data rate
+-       *
+-       * XXX: Should this check all retry rates?
+-       */
+-      if (!(info->control.rates[0].flags & IEEE80211_TX_RC_MCS)) {
+-              s8 baserate = 0;
+-
+-              rate = &sband->bitrates[info->control.rates[0].idx];
+-
+-              for (i = 0; i < sband->n_bitrates; i++) {
+-                      /* must be a basic rate */
+-                      if (!(tx->sdata->vif.bss_conf.basic_rates & BIT(i)))
+-                              continue;
+-                      /* must not be faster than the data rate */
+-                      if (sband->bitrates[i].bitrate > rate->bitrate)
+-                              continue;
+-                      /* maximum */
+-                      if (sband->bitrates[baserate].bitrate <
+-                           sband->bitrates[i].bitrate)
+-                              baserate = i;
+-              }
+-
+-              info->control.rts_cts_rate_idx = baserate;
+-      }
+-
+-      for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+-              /*
+-               * make sure there's no valid rate following
+-               * an invalid one, just in case drivers don't
+-               * take the API seriously to stop at -1.
+-               */
+-              if (inval) {
+-                      info->control.rates[i].idx = -1;
+-                      continue;
+-              }
+-              if (info->control.rates[i].idx < 0) {
+-                      inval = true;
+-                      continue;
+-              }
+-
+-              /*
+-               * For now assume MCS is already set up correctly, this
+-               * needs to be fixed.
+-               */
+-              if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) {
+-                      WARN_ON(info->control.rates[i].idx > 76);
+-                      continue;
+-              }
+-
+-              /* set up RTS protection if desired */
+-              if (rts)
+-                      info->control.rates[i].flags |=
+-                              IEEE80211_TX_RC_USE_RTS_CTS;
+-
+-              /* RC is busted */
+-              if (WARN_ON_ONCE(info->control.rates[i].idx >=
+-                               sband->n_bitrates)) {
+-                      info->control.rates[i].idx = -1;
+-                      continue;
+-              }
+-
+-              rate = &sband->bitrates[info->control.rates[i].idx];
+-
+-              /* set up short preamble */
+-              if (short_preamble &&
+-                  rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+-                      info->control.rates[i].flags |=
+-                              IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
+-
+-              /* set up G protection */
+-              if (!rts && tx->sdata->vif.bss_conf.use_cts_prot &&
+-                  rate->flags & IEEE80211_RATE_ERP_G)
+-                      info->control.rates[i].flags |=
+-                              IEEE80211_TX_RC_USE_CTS_PROTECT;
+-      }
+-
+       return TX_CONTINUE;
  }
- EXPORT_SYMBOL(__cfg80211_send_disassoc);
-@@ -285,7 +286,7 @@ int __cfg80211_mlme_auth(struct cfg80211
-                       return -EINVAL;
-       if (wdev->current_bss &&
--          memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0)
-+          compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0)
-               return -EALREADY;
-       memset(&req, 0, sizeof(req));
-@@ -362,7 +363,7 @@ int __cfg80211_mlme_assoc(struct cfg8021
-       memset(&req, 0, sizeof(req));
-       if (wdev->current_bss && prev_bssid &&
--          memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) {
-+          compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) {
-               /*
-                * Trying to reassociate: Allow this to proceed and let the old
-                * association to be dropped when the new one is completed.
-@@ -446,7 +447,8 @@ int __cfg80211_mlme_deauth(struct cfg802
-       if (local_state_change) {
-               if (wdev->current_bss &&
--                  memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-+                  compare_ether_addr(wdev->current_bss->pub.bssid, bssid)
-+                  == 0) {
-                       cfg80211_unhold_bss(wdev->current_bss);
-                       cfg80211_put_bss(&wdev->current_bss->pub);
-                       wdev->current_bss = NULL;
-@@ -495,7 +497,7 @@ static int __cfg80211_mlme_disassoc(stru
-       req.local_state_change = local_state_change;
-       req.ie = ie;
-       req.ie_len = ie_len;
--      if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
-+      if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0)
-               req.bss = &wdev->current_bss->pub;
-       else
-               return -ENOTCONN;
-@@ -758,8 +760,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-                               break;
-                       }
  
--                      if (memcmp(wdev->current_bss->pub.bssid,
--                                 mgmt->bssid, ETH_ALEN)) {
-+                      if (compare_ether_addr(wdev->current_bss->pub.bssid,
-+                                             mgmt->bssid)) {
-                               err = -ENOTCONN;
-                               break;
-                       }
-@@ -772,8 +774,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-                               break;
+@@ -2508,8 +2450,6 @@ struct sk_buff *ieee80211_beacon_get_tim
+               txrc.max_rate_idx = -1;
+       else
+               txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
+-      memcpy(txrc.rate_idx_mcs_mask, sdata->rc_rateidx_mcs_mask[band],
+-             sizeof(txrc.rate_idx_mcs_mask));
+       txrc.bss = true;
+       rate_control_get_rate(sdata, NULL, &txrc);
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -485,7 +485,8 @@ int ieee80211_queue_stopped(struct ieee8
+               return true;
+       spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+-      ret = !!local->queue_stop_reasons[queue];
++      ret = test_bit(IEEE80211_QUEUE_STOP_REASON_DRIVER,
++                     &local->queue_stop_reasons[queue]);
+       spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+       return ret;
+ }
+@@ -660,7 +661,7 @@ void ieee80211_queue_delayed_work(struct
+ }
+ EXPORT_SYMBOL(ieee80211_queue_delayed_work);
  
-                       /* for station, check that DA is the AP */
--                      if (memcmp(wdev->current_bss->pub.bssid,
--                                 mgmt->da, ETH_ALEN)) {
-+                      if (compare_ether_addr(wdev->current_bss->pub.bssid,
-+                                             mgmt->da)) {
-                               err = -ENOTCONN;
-                               break;
+-u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
++u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action,
+                              struct ieee802_11_elems *elems,
+                              u64 filter, u32 crc)
+ {
+@@ -668,6 +669,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+       u8 *pos = start;
+       bool calc_crc = filter != 0;
+       DECLARE_BITMAP(seen_elems, 256);
++      const u8 *ie;
+       bitmap_zero(seen_elems, 256);
+       memset(elems, 0, sizeof(*elems));
+@@ -715,6 +717,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+               case WLAN_EID_COUNTRY:
+               case WLAN_EID_PWR_CONSTRAINT:
+               case WLAN_EID_TIMEOUT_INTERVAL:
++              case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
++              case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
++              /*
++               * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
++               * that if the content gets bigger it might be needed more than once
++               */
+                       if (test_bit(id, seen_elems)) {
+                               elems->parse_error = true;
+                               left -= elen;
+@@ -862,6 +870,48 @@ u32 ieee802_11_parse_elems_crc(u8 *start
                        }
-@@ -781,11 +783,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-               case NL80211_IFTYPE_AP:
-               case NL80211_IFTYPE_P2P_GO:
-               case NL80211_IFTYPE_AP_VLAN:
--                      if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
-+                      if (compare_ether_addr(mgmt->bssid, dev->dev_addr))
-                               err = -EINVAL;
+                       elems->ch_switch_ie = (void *)pos;
                        break;
-               case NL80211_IFTYPE_MESH_POINT:
--                      if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) {
-+                      if (compare_ether_addr(mgmt->sa, mgmt->bssid)) {
-                               err = -EINVAL;
-                               break;
-                       }
-@@ -804,7 +806,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
-                       return err;
-       }
--      if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
-+      if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0)
-               return -EINVAL;
-       /* Transmit the Action frame as requested by user space */
---- a/net/wireless/scan.c
-+++ b/net/wireless/scan.c
-@@ -378,7 +378,7 @@ static int cmp_bss_core(struct cfg80211_
-                              b->len_information_elements);
++              case WLAN_EID_EXT_CHANSWITCH_ANN:
++                      if (elen != sizeof(struct ieee80211_ext_chansw_ie)) {
++                              elem_parse_failed = true;
++                              break;
++                      }
++                      elems->ext_chansw_ie = (void *)pos;
++                      break;
++              case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
++                      if (elen != sizeof(struct ieee80211_sec_chan_offs_ie)) {
++                              elem_parse_failed = true;
++                              break;
++                      }
++                      elems->sec_chan_offs = (void *)pos;
++                      break;
++              case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
++                      if (!action ||
++                          elen != sizeof(*elems->wide_bw_chansw_ie)) {
++                              elem_parse_failed = true;
++                              break;
++                      }
++                      elems->wide_bw_chansw_ie = (void *)pos;
++                      break;
++              case WLAN_EID_CHANNEL_SWITCH_WRAPPER:
++                      if (action) {
++                              elem_parse_failed = true;
++                              break;
++                      }
++                      /*
++                       * This is a bit tricky, but as we only care about
++                       * the wide bandwidth channel switch element, so
++                       * just parse it out manually.
++                       */
++                      ie = cfg80211_find_ie(WLAN_EID_WIDE_BW_CHANNEL_SWITCH,
++                                            pos, elen);
++                      if (ie) {
++                              if (ie[1] == sizeof(*elems->wide_bw_chansw_ie))
++                                      elems->wide_bw_chansw_ie =
++                                              (void *)(ie + 2);
++                              else
++                                      elem_parse_failed = true;
++                      }
++                      break;
+               case WLAN_EID_COUNTRY:
+                       elems->country_elem = pos;
+                       elems->country_elem_len = elen;
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -857,7 +857,7 @@ static void handle_channel(struct wiphy 
+                       return;
+               REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
+-              chan->flags = IEEE80211_CHAN_DISABLED;
++              chan->flags |= IEEE80211_CHAN_DISABLED;
+               return;
        }
  
--      return memcmp(a->bssid, b->bssid, ETH_ALEN);
-+      return compare_ether_addr(a->bssid, b->bssid);
- }
- static int cmp_bss(struct cfg80211_bss *a,
---- a/drivers/net/wireless/ath/ath9k/Kconfig
-+++ b/drivers/net/wireless/ath/ath9k/Kconfig
-@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED
-         developed. At this point enabling this option won't do anything
-         except increase code size.
-+config ATH9K_MAC_DEBUG
-+      bool "Atheros MAC statistics"
-+      depends on ATH9K_DEBUGFS
-+      default y
-+      ---help---
-+        This option enables collection of statistics for Rx/Tx status
-+        data and some other MAC related statistics
-+
- config ATH9K_RATE_CONTROL
-       bool "Atheros ath9k rate control"
-       depends on ATH9K
---- a/drivers/net/wireless/ath/ath9k/debug.c
-+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc 
-       if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
-               TX_STAT_INC(qnum, delim_underrun);
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       spin_lock(&sc->debug.samp_lock);
-       TX_SAMP_DBG(jiffies) = jiffies;
-       TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
-@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc 
-       sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
-       spin_unlock(&sc->debug.samp_lock);
-+#endif
- #undef TX_SAMP_DBG
+--- a/net/wireless/util.c
++++ b/net/wireless/util.c
+@@ -1156,6 +1156,26 @@ int cfg80211_get_p2p_attr(const u8 *ies,
  }
-@@ -942,27 +944,6 @@ static ssize_t read_file_recv(struct fil
-       PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
-       len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-CTL0",
--                      sc->debug.stats.rxstats.rs_rssi_ctl0);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-CTL1",
--                      sc->debug.stats.rxstats.rs_rssi_ctl1);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-CTL2",
--                      sc->debug.stats.rxstats.rs_rssi_ctl2);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-EXT0",
--                      sc->debug.stats.rxstats.rs_rssi_ext0);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-EXT1",
--                      sc->debug.stats.rxstats.rs_rssi_ext1);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "RSSI-EXT2",
--                      sc->debug.stats.rxstats.rs_rssi_ext2);
--      len += snprintf(buf + len, size - len,
--                      "%22s : %10d\n", "Rx Antenna",
--                      sc->debug.stats.rxstats.rs_antenna);
--      len += snprintf(buf + len, size - len,
-                       "%22s : %10u\n", "RX-Pkts-All",
-                       sc->debug.stats.rxstats.rx_pkts_all);
-       len += snprintf(buf + len, size - len,
-@@ -1009,16 +990,7 @@ void ath_debug_stat_rx(struct ath_softc 
-                       RX_PHY_ERR_INC(rs->rs_phyerr);
-       }
--      sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
--      sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
--      sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
--
--      sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
--      sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
--      sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
--
--      sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
--
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       spin_lock(&sc->debug.samp_lock);
-       RX_SAMP_DBG(jiffies) = jiffies;
-       RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
-@@ -1035,6 +1007,8 @@ void ath_debug_stat_rx(struct ath_softc 
-       sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
-       spin_unlock(&sc->debug.samp_lock);
-+#endif
-+
- #undef RX_STAT_INC
- #undef RX_PHY_ERR_INC
- #undef RX_SAMP_DBG
-@@ -1278,6 +1252,8 @@ static const struct file_operations fops
-       .llseek = default_llseek,
- };
+ EXPORT_SYMBOL(cfg80211_get_p2p_attr);
  
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
++bool ieee80211_operating_class_to_band(u8 operating_class,
++                                     enum ieee80211_band *band)
++{
++      switch (operating_class) {
++      case 112:
++      case 115 ... 127:
++              *band = IEEE80211_BAND_5GHZ;
++              return true;
++      case 81:
++      case 82:
++      case 83:
++      case 84:
++              *band = IEEE80211_BAND_2GHZ;
++              return true;
++      }
 +
- void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
- {
- #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
-@@ -1551,6 +1527,7 @@ static const struct file_operations fops
-       .llseek = default_llseek,
- };
-+#endif
- int ath9k_init_debug(struct ath_hw *ah)
++      return false;
++}
++EXPORT_SYMBOL(ieee80211_operating_class_to_band);
++
+ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
+                                u32 beacon_int)
  {
-@@ -1604,8 +1581,10 @@ int ath9k_init_debug(struct ath_hw *ah)
-                           &fops_base_eeprom);
-       debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_modal_eeprom);
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_samps);
-+#endif
-       debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
-                          sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
---- a/drivers/net/wireless/ath/ath9k/debug.h
-+++ b/drivers/net/wireless/ath/ath9k/debug.h
-@@ -165,13 +165,6 @@ struct ath_rx_stats {
-       u32 post_delim_crc_err;
-       u32 decrypt_busy_err;
-       u32 phy_err_stats[ATH9K_PHYERR_MAX];
--      int8_t rs_rssi_ctl0;
--      int8_t rs_rssi_ctl1;
--      int8_t rs_rssi_ctl2;
--      int8_t rs_rssi_ext0;
--      int8_t rs_rssi_ext1;
--      int8_t rs_rssi_ext2;
--      u8 rs_antenna;
- };
- enum ath_reset_type {
-@@ -235,16 +228,17 @@ struct ath9k_debug {
-       struct dentry *debugfs_phy;
-       u32 regidx;
-       struct ath_stats stats;
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-       spinlock_t samp_lock;
-       struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
-       u8 sampidx;
-       u8 tsidx;
-       u8 rsidx;
-+#endif
- };
- int ath9k_init_debug(struct ath_hw *ah);
--void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
- void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
- void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
-                      struct ath_tx_status *ts, struct ath_txq *txq,
-@@ -258,10 +252,6 @@ static inline int ath9k_init_debug(struc
-       return 0;
+--- a/include/uapi/linux/nl80211.h
++++ b/include/uapi/linux/nl80211.h
+@@ -1973,6 +1973,10 @@ enum nl80211_sta_bss_param {
+  * @NL80211_STA_INFO_PEER_PM: peer mesh STA link-specific power mode
+  * @NL80211_STA_INFO_NONPEER_PM: neighbor mesh STA power save mode towards
+  *    non-peer STA
++ * @NL80211_STA_INFO_CHAIN_SIGNAL: per-chain signal strength of last PPDU
++ *    Contains a nested array of signal strength attributes (u8, dBm)
++ * @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
++ *    Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
+  * @__NL80211_STA_INFO_AFTER_LAST: internal
+  * @NL80211_STA_INFO_MAX: highest possible station info attribute
+  */
+@@ -2002,6 +2006,8 @@ enum nl80211_sta_info {
+       NL80211_STA_INFO_NONPEER_PM,
+       NL80211_STA_INFO_RX_BYTES64,
+       NL80211_STA_INFO_TX_BYTES64,
++      NL80211_STA_INFO_CHAIN_SIGNAL,
++      NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
+       /* keep last */
+       __NL80211_STA_INFO_AFTER_LAST,
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -358,6 +358,8 @@ struct sta_info *sta_info_alloc(struct i
+       do_posix_clock_monotonic_gettime(&uptime);
+       sta->last_connected = uptime.tv_sec;
+       ewma_init(&sta->avg_signal, 1024, 8);
++      for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)
++              ewma_init(&sta->chain_signal_avg[i], 1024, 8);
+       if (sta_prepare_rate_control(local, sta, gfp)) {
+               kfree(sta);
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -3367,6 +3367,32 @@ static bool nl80211_put_sta_rate(struct 
+       return true;
  }
  
--static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
--{
--}
--
- static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
-                                           enum ath9k_int status)
- {
-@@ -282,4 +272,17 @@ static inline void ath_debug_stat_rx(str
- #endif /* CONFIG_ATH9K_DEBUGFS */
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
++static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
++                             int id)
++{
++      void *attr;
++      int i = 0;
 +
-+void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
++      if (!mask)
++              return true;
 +
-+#else
++      attr = nla_nest_start(msg, id);
++      if (!attr)
++              return false;
 +
-+static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
-+{
-+}
++      for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
++              if (!(mask & BIT(i)))
++                      continue;
++
++              if (nla_put_u8(msg, i, signal[i]))
++                      return false;
++      }
 +
-+#endif
++      nla_nest_end(msg, attr);
 +
++      return true;
++}
 +
- #endif /* DEBUG_H */
+ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
+                               int flags,
+                               struct cfg80211_registered_device *rdev,
+@@ -3402,7 +3428,7 @@ static int nl80211_send_station(struct s
+                       (u32)sinfo->rx_bytes))
+               goto nla_put_failure;
+       if ((sinfo->filled & (STATION_INFO_TX_BYTES |
+-                            NL80211_STA_INFO_TX_BYTES64)) &&
++                            STATION_INFO_TX_BYTES64)) &&
+           nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
+                       (u32)sinfo->tx_bytes))
+               goto nla_put_failure;
+@@ -3438,6 +3464,18 @@ static int nl80211_send_station(struct s
+       default:
+               break;
+       }
++      if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
++              if (!nl80211_put_signal(msg, sinfo->chains,
++                                      sinfo->chain_signal,
++                                      NL80211_STA_INFO_CHAIN_SIGNAL))
++                      goto nla_put_failure;
++      }
++      if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
++              if (!nl80211_put_signal(msg, sinfo->chains,
++                                      sinfo->chain_signal_avg,
++                                      NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
++                      goto nla_put_failure;
++      }
+       if (sinfo->filled & STATION_INFO_TX_BITRATE) {
+               if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
+                                         NL80211_STA_INFO_TX_BITRATE))
 --- a/drivers/net/wireless/ath/ath9k/init.c
 +++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -555,9 +555,11 @@ static int ath9k_init_softc(u16 devid, s
-       mutex_init(&sc->mutex);
- #ifdef CONFIG_ATH9K_DEBUGFS
-       spin_lock_init(&sc->nodes_lock);
--      spin_lock_init(&sc->debug.samp_lock);
-       INIT_LIST_HEAD(&sc->nodes);
- #endif
-+#ifdef CONFIG_ATH9K_MAC_DEBUG
-+      spin_lock_init(&sc->debug.samp_lock);
-+#endif
-       tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
-       tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
-                    (unsigned long)sc);
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1386,10 +1386,16 @@ static bool ath9k_hw_set_reset_reg(struc
- static bool ath9k_hw_chip_reset(struct ath_hw *ah,
-                               struct ath9k_channel *chan)
- {
--      if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
--              if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
--                      return false;
--      } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
-+      int reset_type = ATH9K_RESET_WARM;
-+
-+      if (AR_SREV_9280(ah)) {
-+              if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
-+                      reset_type = ATH9K_RESET_POWER_ON;
-+              else
-+                      reset_type = ATH9K_RESET_COLD;
-+      }
-+
-+      if (!ath9k_hw_set_reset_reg(ah, reset_type))
-               return false;
+@@ -768,7 +768,8 @@ void ath9k_set_hw_capab(struct ath_softc
+               IEEE80211_HW_SUPPORTS_PS |
+               IEEE80211_HW_PS_NULLFUNC_STACK |
+               IEEE80211_HW_SPECTRUM_MGMT |
+-              IEEE80211_HW_REPORTS_TX_ACK_STATUS;
++              IEEE80211_HW_REPORTS_TX_ACK_STATUS |
++              IEEE80211_HW_SUPPORTS_RC_TABLE;
+       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+                hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -125,24 +125,6 @@ static void ath_tx_queue_tid(struct ath_
+       list_add_tail(&ac->list, &txq->axq_acq);
+ }
  
-       if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
---- a/drivers/net/wireless/ath/ath5k/base.c
-+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct 
-                                       "got new rfgain, resetting\n");
-                       ieee80211_queue_work(ah->hw, &ah->reset_work);
-               }
+-static void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
+-{
+-      struct ath_txq *txq = tid->ac->txq;
 -
--              /* TODO: On full calibration we should stop TX here,
--               * so that it doesn't interfere (mostly due to gain_f
--               * calibration that messes with tx packets -see phy.c).
--               *
--               * NOTE: Stopping the queues from above is not enough
--               * to stop TX but saves us from disconecting (at least
--               * we don't lose packets). */
--              ieee80211_stop_queues(ah->hw);
-       } else
-               ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT;
-@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct 
-                               ah->curchan->center_freq));
-       /* Clear calibration flags */
--      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
--              ieee80211_wake_queues(ah->hw);
-+      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL)
-               ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
--      } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
-+      else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
-               ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT;
+-      WARN_ON(!tid->paused);
+-
+-      ath_txq_lock(sc, txq);
+-      tid->paused = false;
+-
+-      if (skb_queue_empty(&tid->buf_q))
+-              goto unlock;
+-
+-      ath_tx_queue_tid(txq, tid);
+-      ath_txq_schedule(sc, txq);
+-unlock:
+-      ath_txq_unlock_complete(sc, txq);
+-}
+-
+ static struct ath_frame_info *get_frame_info(struct sk_buff *skb)
+ {
+       struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+@@ -157,6 +139,13 @@ static void ath_send_bar(struct ath_atx_
+                          seqno << IEEE80211_SEQ_SEQ_SHIFT);
  }
  
---- a/drivers/net/wireless/ath/ath5k/phy.c
-+++ b/drivers/net/wireless/ath/ath5k/phy.c
-@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw *
-               ret = 0;
++static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
++                        struct ath_buf *bf)
++{
++      ieee80211_get_tx_rates(vif, sta, bf->bf_mpdu, bf->rates,
++                             ARRAY_SIZE(bf->rates));
++}
++
+ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
+ {
+       struct ath_txq *txq = tid->ac->txq;
+@@ -189,15 +178,11 @@ static void ath_tx_flush_tid(struct ath_
+                       ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+                       sendbar = true;
+               } else {
++                      ath_set_rates(tid->an->vif, tid->an->sta, bf);
+                       ath_tx_send_normal(sc, txq, NULL, skb);
+               }
        }
  
--      /* On full calibration do an AGC calibration and
--       * request a PAPD probe for gainf calibration if
--       * needed */
--      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
-+      /* On full calibration request a PAPD probe for
-+       * gainf calibration if needed */
-+      if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) &&
-+          (ah->ah_radio == AR5K_RF5111 ||
-+           ah->ah_radio == AR5K_RF5112) &&
-+          channel->hw_value != AR5K_MODE_11B)
-+              ath5k_hw_request_rfgain_probe(ah);
--              AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
--                                      AR5K_PHY_AGCCTL_CAL);
+-      if (tid->baw_head == tid->baw_tail) {
+-              tid->state &= ~AGGR_ADDBA_COMPLETE;
+-              tid->state &= ~AGGR_CLEANUP;
+-      }
 -
--              ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
--                      AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF,
--                      0, false);
--              if (ret) {
--                      ATH5K_ERR(ah,
--                              "gain calibration timeout (%uMHz)\n",
--                              channel->center_freq);
--              }
+       if (sendbar) {
+               ath_txq_unlock(sc, txq);
+               ath_send_bar(tid, tid->seq_start);
+@@ -269,9 +254,7 @@ static void ath_tid_drain(struct ath_sof
+               list_add_tail(&bf->list, &bf_head);
+-              if (fi->retries)
+-                      ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
 -
--              if ((ah->ah_radio == AR5K_RF5111 ||
--                      ah->ah_radio == AR5K_RF5112)
--                      && (channel->hw_value != AR5K_MODE_11B))
--                      ath5k_hw_request_rfgain_probe(ah);
--      }
++              ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+               ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+       }
+@@ -407,7 +390,7 @@ static void ath_tx_complete_aggr(struct 
+       tx_info = IEEE80211_SKB_CB(skb);
+-      memcpy(rates, tx_info->control.rates, sizeof(rates));
++      memcpy(rates, bf->rates, sizeof(rates));
+       retries = ts->ts_longretry + 1;
+       for (i = 0; i < ts->ts_rateindex; i++)
+@@ -483,19 +466,19 @@ static void ath_tx_complete_aggr(struct 
+               tx_info = IEEE80211_SKB_CB(skb);
+               fi = get_frame_info(skb);
+-              if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) {
++              if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) {
++                      /*
++                       * Outside of the current BlockAck window,
++                       * maybe part of a previous session
++                       */
++                      txfail = 1;
++              } else if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, seqno))) {
+                       /* transmit completion, subframe is
+                        * acked by block ack */
+                       acked_cnt++;
+               } else if (!isaggr && txok) {
+                       /* transmit completion */
+                       acked_cnt++;
+-              } else if (tid->state & AGGR_CLEANUP) {
+-                      /*
+-                       * cleanup in progress, just fail
+-                       * the un-acked sub-frames
+-                       */
+-                      txfail = 1;
+               } else if (flush) {
+                       txpending = 1;
+               } else if (fi->retries < ATH_MAX_SW_RETRIES) {
+@@ -519,7 +502,7 @@ static void ath_tx_complete_aggr(struct 
+               if (bf_next != NULL || !bf_last->bf_stale)
+                       list_move_tail(&bf->list, &bf_head);
+-              if (!txpending || (tid->state & AGGR_CLEANUP)) {
++              if (!txpending) {
+                       /*
+                        * complete the acked-ones/xretried ones; update
+                        * block-ack window
+@@ -593,9 +576,6 @@ static void ath_tx_complete_aggr(struct 
+               ath_txq_lock(sc, txq);
+       }
+-      if (tid->state & AGGR_CLEANUP)
+-              ath_tx_flush_tid(sc, tid);
 -
--      /* Update noise floor
--       * XXX: Only do this after AGC calibration */
-+      /* Update noise floor */
-       if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF))
-               ath5k_hw_update_noise_floor(ah);
+       rcu_read_unlock();
  
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -232,7 +232,6 @@ static void ath_rx_edma_cleanup(struct a
static void ath_rx_edma_init_queue(struct ath_rx_edma *rx_edma, int size)
+       if (needreset)
+@@ -612,6 +592,7 @@ static void ath_tx_process_buffer(struct
+                                 struct ath_tx_status *ts, struct ath_buf *bf,
                                struct list_head *bf_head)
  {
-       skb_queue_head_init(&rx_edma->rx_fifo);
--      skb_queue_head_init(&rx_edma->rx_buffers);
-       rx_edma->rx_fifo_hwsize = size;
- }
++      struct ieee80211_tx_info *info;
+       bool txok, flush;
+       txok = !(ts->ts_status & ATH9K_TXERR_MASK);
+@@ -623,8 +604,12 @@ static void ath_tx_process_buffer(struct
+               txq->axq_ampdu_depth--;
+       if (!bf_isampdu(bf)) {
+-              if (!flush)
++              if (!flush) {
++                      info = IEEE80211_SKB_CB(bf->bf_mpdu);
++                      memcpy(info->control.rates, bf->rates,
++                             sizeof(info->control.rates));
+                       ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
++              }
+               ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok);
+       } else
+               ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
+@@ -668,7 +653,7 @@ static u32 ath_lookup_rate(struct ath_so
  
-@@ -658,7 +657,9 @@ static void ath_rx_ps(struct ath_softc *
- }
+       skb = bf->bf_mpdu;
+       tx_info = IEEE80211_SKB_CB(skb);
+-      rates = tx_info->control.rates;
++      rates = bf->rates;
  
- static bool ath_edma_get_buffers(struct ath_softc *sc,
--                               enum ath9k_rx_qtype qtype)
-+                               enum ath9k_rx_qtype qtype,
-+                               struct ath_rx_status *rs,
-+                               struct ath_buf **dest)
+       /*
+        * Find the lowest frame length among the rate series that will have a
+@@ -736,8 +721,6 @@ static int ath_compute_num_delims(struct
+                                 bool first_subfrm)
  {
-       struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
-       struct ath_hw *ah = sc->sc_ah;
-@@ -677,7 +678,7 @@ static bool ath_edma_get_buffers(struct 
-       dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
-                               common->rx_bufsize, DMA_FROM_DEVICE);
--      ret = ath9k_hw_process_rxdesc_edma(ah, NULL, skb->data);
-+      ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
-       if (ret == -EINPROGRESS) {
-               /*let device gain the buffer again*/
-               dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
-@@ -690,20 +691,21 @@ static bool ath_edma_get_buffers(struct 
-               /* corrupt descriptor, skip this one and the following one */
-               list_add_tail(&bf->list, &sc->rx.rxbuf);
-               ath_rx_edma_buf_link(sc, qtype);
--              skb = skb_peek(&rx_edma->rx_fifo);
--              if (!skb)
--                      return true;
+ #define FIRST_DESC_NDELIMS 60
+-      struct sk_buff *skb = bf->bf_mpdu;
+-      struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+       u32 nsymbits, nsymbols;
+       u16 minlen;
+       u8 flags, rix;
+@@ -778,8 +761,8 @@ static int ath_compute_num_delims(struct
+       if (tid->an->mpdudensity == 0)
+               return ndelim;
+-      rix = tx_info->control.rates[0].idx;
+-      flags = tx_info->control.rates[0].flags;
++      rix = bf->rates[0].idx;
++      flags = bf->rates[0].flags;
+       width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
+       half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
+@@ -858,6 +841,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+                       bf_first = bf;
+               if (!rl) {
++                      ath_set_rates(tid->an->vif, tid->an->sta, bf);
+                       aggr_limit = ath_lookup_rate(sc, bf, tid);
+                       rl = 1;
+               }
+@@ -998,14 +982,14 @@ static void ath_buf_set_rate(struct ath_
  
--              bf = SKB_CB_ATHBUF(skb);
--              BUG_ON(!bf);
-+              skb = skb_peek(&rx_edma->rx_fifo);
-+              if (skb) {
-+                      bf = SKB_CB_ATHBUF(skb);
-+                      BUG_ON(!bf);
--              __skb_unlink(skb, &rx_edma->rx_fifo);
--              list_add_tail(&bf->list, &sc->rx.rxbuf);
--              ath_rx_edma_buf_link(sc, qtype);
--              return true;
-+                      __skb_unlink(skb, &rx_edma->rx_fifo);
-+                      list_add_tail(&bf->list, &sc->rx.rxbuf);
-+                      ath_rx_edma_buf_link(sc, qtype);
-+              } else {
-+                      bf = NULL;
-+              }
-       }
--      skb_queue_tail(&rx_edma->rx_buffers, skb);
+       skb = bf->bf_mpdu;
+       tx_info = IEEE80211_SKB_CB(skb);
+-      rates = tx_info->control.rates;
++      rates = bf->rates;
+       hdr = (struct ieee80211_hdr *)skb->data;
  
-+      *dest = bf;
-       return true;
- }
+       /* set dur_update_en for l-sig computation except for PS-Poll frames */
+       info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
+       info->rtscts_rate = fi->rtscts_rate;
  
-@@ -711,18 +713,15 @@ static struct ath_buf *ath_edma_get_next
-                                               struct ath_rx_status *rs,
-                                               enum ath9k_rx_qtype qtype)
- {
--      struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
--      struct sk_buff *skb;
--      struct ath_buf *bf;
-+      struct ath_buf *bf = NULL;
--      while (ath_edma_get_buffers(sc, qtype));
--      skb = __skb_dequeue(&rx_edma->rx_buffers);
--      if (!skb)
--              return NULL;
-+      while (ath_edma_get_buffers(sc, qtype, rs, &bf)) {
-+              if (!bf)
-+                      continue;
+-      for (i = 0; i < 4; i++) {
++      for (i = 0; i < ARRAY_SIZE(bf->rates); i++) {
+               bool is_40, is_sgi, is_sp;
+               int phy;
  
--      bf = SKB_CB_ATHBUF(skb);
--      ath9k_hw_process_rxdesc_edma(sc->sc_ah, rs, skb->data);
--      return bf;
-+              return bf;
-+      }
-+      return NULL;
- }
+@@ -1224,9 +1208,6 @@ int ath_tx_aggr_start(struct ath_softc *
+       an = (struct ath_node *)sta->drv_priv;
+       txtid = ATH_AN_2_TID(an, tid);
  
- static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
-@@ -954,6 +953,7 @@ static void ath9k_process_rssi(struct at
-       struct ath_softc *sc = hw->priv;
-       struct ath_hw *ah = common->ah;
-       int last_rssi;
-+      int rssi = rx_stats->rs_rssi;
-       if (!rx_stats->is_mybeacon ||
-           ((ah->opmode != NL80211_IFTYPE_STATION) &&
-@@ -965,13 +965,12 @@ static void ath9k_process_rssi(struct at
-       last_rssi = sc->last_rssi;
-       if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
--              rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
--                                            ATH_RSSI_EP_MULTIPLIER);
--      if (rx_stats->rs_rssi < 0)
--              rx_stats->rs_rssi = 0;
-+              rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
-+      if (rssi < 0)
-+              rssi = 0;
-       /* Update Beacon RSSI, this is used by ANI. */
--      ah->stats.avgbrssi = rx_stats->rs_rssi;
-+      ah->stats.avgbrssi = rssi;
+-      if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
+-              return -EAGAIN;
+-
+       /* update ampdu factor/density, they may have changed. This may happen
+        * in HT IBSS when a beacon with HT-info is received after the station
+        * has already been added.
+@@ -1238,7 +1219,7 @@ int ath_tx_aggr_start(struct ath_softc *
+               an->mpdudensity = density;
+       }
+-      txtid->state |= AGGR_ADDBA_PROGRESS;
++      txtid->active = true;
+       txtid->paused = true;
+       *ssn = txtid->seq_start = txtid->seq_next;
+       txtid->bar_index = -1;
+@@ -1255,28 +1236,9 @@ void ath_tx_aggr_stop(struct ath_softc *
+       struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
+       struct ath_txq *txq = txtid->ac->txq;
+-      if (txtid->state & AGGR_CLEANUP)
+-              return;
+-
+-      if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
+-              txtid->state &= ~AGGR_ADDBA_PROGRESS;
+-              return;
+-      }
+-
+       ath_txq_lock(sc, txq);
++      txtid->active = false;
+       txtid->paused = true;
+-
+-      /*
+-       * If frames are still being transmitted for this TID, they will be
+-       * cleaned up during tx completion. To prevent race conditions, this
+-       * TID can only be reused after all in-progress subframes have been
+-       * completed.
+-       */
+-      if (txtid->baw_head != txtid->baw_tail)
+-              txtid->state |= AGGR_CLEANUP;
+-      else
+-              txtid->state &= ~AGGR_ADDBA_COMPLETE;
+-
+       ath_tx_flush_tid(sc, txtid);
+       ath_txq_unlock_complete(sc, txq);
+ }
+@@ -1342,18 +1304,28 @@ void ath_tx_aggr_wakeup(struct ath_softc
+       }
  }
  
- /*
-@@ -988,8 +987,6 @@ static int ath9k_rx_skb_preprocess(struc
+-void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
++void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta,
++                      u16 tidno)
  {
-       struct ath_hw *ah = common->ah;
+-      struct ath_atx_tid *txtid;
++      struct ath_atx_tid *tid;
+       struct ath_node *an;
++      struct ath_txq *txq;
+       an = (struct ath_node *)sta->drv_priv;
++      tid = ATH_AN_2_TID(an, tidno);
++      txq = tid->ac->txq;
+-      txtid = ATH_AN_2_TID(an, tid);
+-      txtid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
+-      txtid->state |= AGGR_ADDBA_COMPLETE;
+-      txtid->state &= ~AGGR_ADDBA_PROGRESS;
+-      ath_tx_resume_tid(sc, txtid);
++      ath_txq_lock(sc, txq);
++
++      tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
++      tid->paused = false;
++
++      if (!skb_queue_empty(&tid->buf_q)) {
++              ath_tx_queue_tid(txq, tid);
++              ath_txq_schedule(sc, txq);
++      }
++
++      ath_txq_unlock_complete(sc, txq);
+ }
  
--      memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
--
-       /*
-        * everything but the rate is checked here, the rate check is done
-        * separately to avoid doing two lookups for a rate for each frame.
-@@ -1011,6 +1008,8 @@ static int ath9k_rx_skb_preprocess(struc
-       rx_status->signal = ah->noise + rx_stats->rs_rssi;
-       rx_status->antenna = rx_stats->rs_antenna;
-       rx_status->flag |= RX_FLAG_MACTIME_MPDU;
-+      if (rx_stats->rs_moreaggr)
-+              rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
+ /********************/
+@@ -1743,6 +1715,7 @@ static void ath_tx_send_ampdu(struct ath
+               return;
+       }
  
-       return 0;
++      ath_set_rates(tid->an->vif, tid->an->sta, bf);
+       bf->bf_state.bf_type = BUF_AMPDU;
+       INIT_LIST_HEAD(&bf_head);
+       list_add(&bf->list, &bf_head);
+@@ -1892,49 +1865,6 @@ static struct ath_buf *ath_tx_setup_buff
+       return bf;
  }
-@@ -1845,6 +1844,8 @@ int ath_rx_tasklet(struct ath_softc *sc,
-               if (sc->sc_flags & SC_OP_RXFLUSH)
-                       goto requeue_drop_frag;
  
-+              memset(rxs, 0, sizeof(struct ieee80211_rx_status));
-+
-               rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
-               if (rs.rs_tstamp > tsf_lower &&
-                   unlikely(rs.rs_tstamp - tsf_lower > 0x10000000))
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_
-       info.txpower = MAX_RATE_POWER;
-       info.keyix = ATH9K_TXKEYIX_INVALID;
-       info.keytype = ATH9K_KEY_TYPE_CLEAR;
--      info.flags = ATH9K_TXDESC_NOACK;
-+      info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
-       info.buf_addr[0] = bf->bf_buf_addr;
-       info.buf_len[0] = roundup(skb->len, 4);
-@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da
-       struct ath_common *common = ath9k_hw_common(ah);
-       struct ath_buf *bf = NULL;
-       struct ieee80211_vif *vif;
--      struct ath_tx_status ts;
-       bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
-       int slot;
-       u32 bfaddr, bc = 0;
-@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da
-                       ath9k_hw_txstart(ah, sc->beacon.beaconq);
-               sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
--              if (edma) {
--                      spin_lock_bh(&sc->sc_pcu_lock);
--                      ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
--                      spin_unlock_bh(&sc->sc_pcu_lock);
+-/* FIXME: tx power */
+-static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
+-                           struct ath_tx_control *txctl)
+-{
+-      struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+-      struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+-      struct ath_atx_tid *tid = NULL;
+-      struct ath_buf *bf;
+-      u8 tidno;
+-
+-      if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
+-              tidno = ieee80211_get_qos_ctl(hdr)[0] &
+-                      IEEE80211_QOS_CTL_TID_MASK;
+-              tid = ATH_AN_2_TID(txctl->an, tidno);
+-
+-              WARN_ON(tid->ac->txq != txctl->txq);
+-      }
+-
+-      if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
+-              /*
+-               * Try aggregation if it's a unicast data frame
+-               * and the destination is HT capable.
+-               */
+-              ath_tx_send_ampdu(sc, tid, skb, txctl);
+-      } else {
+-              bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+-              if (!bf) {
+-                      if (txctl->paprd)
+-                              dev_kfree_skb_any(skb);
+-                      else
+-                              ieee80211_free_txskb(sc->hw, skb);
+-                      return;
 -              }
+-
+-              bf->bf_state.bfs_paprd = txctl->paprd;
+-
+-              if (txctl->paprd)
+-                      bf->bf_state.bfs_paprd_timestamp = jiffies;
+-
+-              ath_tx_send_normal(sc, txctl->txq, tid, skb);
+-      }
+-}
+-
+ /* Upon failure caller should free skb */
+ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
+                struct ath_tx_control *txctl)
+@@ -1945,8 +1875,11 @@ int ath_tx_start(struct ieee80211_hw *hw
+       struct ieee80211_vif *vif = info->control.vif;
+       struct ath_softc *sc = hw->priv;
+       struct ath_txq *txq = txctl->txq;
++      struct ath_atx_tid *tid = NULL;
++      struct ath_buf *bf;
+       int padpos, padsize;
+       int frmlen = skb->len + FCS_LEN;
++      u8 tidno;
+       int q;
+       /* NOTE:  sta can be NULL according to net/mac80211.h */
+@@ -2002,8 +1935,41 @@ int ath_tx_start(struct ieee80211_hw *hw
+               txq->stopped = true;
        }
- }
  
---- a/drivers/net/wireless/ath/ath9k/mac.c
-+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw
-       qi.tqi_aifs = 1;
-       qi.tqi_cwmin = 0;
-       qi.tqi_cwmax = 0;
--      /* NB: don't enable any interrupts */
+-      ath_tx_start_dma(sc, skb, txctl);
++      if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
++              tidno = ieee80211_get_qos_ctl(hdr)[0] &
++                      IEEE80211_QOS_CTL_TID_MASK;
++              tid = ATH_AN_2_TID(txctl->an, tidno);
++              WARN_ON(tid->ac->txq != txctl->txq);
++      }
 +
-+      if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-+              qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
-+                              TXQ_FLAG_TXERRINT_ENABLE;
++      if ((info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
++              /*
++               * Try aggregation if it's a unicast data frame
++               * and the destination is HT capable.
++               */
++              ath_tx_send_ampdu(sc, tid, skb, txctl);
++              goto out;
++      }
 +
-       return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
- }
- EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *
-       if (--sc->ps_usecount != 0)
-               goto unlock;
--      if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
-+      if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
-+              goto unlock;
-+
-+      if (sc->ps_idle)
-               mode = ATH9K_PM_FULL_SLEEP;
-       else if (sc->ps_enabled &&
-                !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
-                             PS_WAIT_FOR_CAB |
--                            PS_WAIT_FOR_PSPOLL_DATA |
--                            PS_WAIT_FOR_TX_ACK)))
-+                            PS_WAIT_FOR_PSPOLL_DATA)))
-               mode = ATH9K_PM_NETWORK_SLEEP;
-       else
-               goto unlock;
-@@ -1559,6 +1561,7 @@ static int ath9k_config(struct ieee80211
-       struct ath_hw *ah = sc->sc_ah;
-       struct ath_common *common = ath9k_hw_common(ah);
-       struct ieee80211_conf *conf = &hw->conf;
-+      bool reset_channel = false;
-       ath9k_ps_wakeup(sc);
-       mutex_lock(&sc->mutex);
-@@ -1567,6 +1570,12 @@ static int ath9k_config(struct ieee80211
-               sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
-               if (sc->ps_idle)
-                       ath_cancel_work(sc);
++      bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
++      if (!bf) {
++              if (txctl->paprd)
++                      dev_kfree_skb_any(skb);
 +              else
-+                      /*
-+                       * The chip needs a reset to properly wake up from
-+                       * full sleep
-+                       */
-+                      reset_channel = ah->chip_fullsleep;
++                      ieee80211_free_txskb(sc->hw, skb);
++              goto out;
++      }
++
++      bf->bf_state.bfs_paprd = txctl->paprd;
++
++      if (txctl->paprd)
++              bf->bf_state.bfs_paprd_timestamp = jiffies;
++
++      ath_set_rates(vif, sta, bf);
++      ath_tx_send_normal(sc, txctl->txq, tid, skb);
++
++out:
+       ath_txq_unlock(sc, txq);
+       return 0;
+@@ -2408,12 +2374,10 @@ void ath_tx_node_init(struct ath_softc *
+               tid->baw_head  = tid->baw_tail = 0;
+               tid->sched     = false;
+               tid->paused    = false;
+-              tid->state &= ~AGGR_CLEANUP;
++              tid->active        = false;
+               __skb_queue_head_init(&tid->buf_q);
+               acno = TID_TO_WME_AC(tidno);
+               tid->ac = &an->ac[acno];
+-              tid->state &= ~AGGR_ADDBA_COMPLETE;
+-              tid->state &= ~AGGR_ADDBA_PROGRESS;
        }
  
-       /*
-@@ -1595,7 +1604,7 @@ static int ath9k_config(struct ieee80211
+       for (acno = 0, ac = &an->ac[acno];
+@@ -2450,9 +2414,9 @@ void ath_tx_node_cleanup(struct ath_soft
                }
-       }
  
--      if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-+      if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
-               struct ieee80211_channel *curchan = hw->conf.channel;
-               int pos = curchan->hw_value;
-               int old_pos = -1;
-@@ -1955,6 +1964,7 @@ static void ath9k_config_bss(struct ath_
-               sc->sc_flags &= ~SC_OP_ANI_RUN;
-               del_timer_sync(&common->ani.timer);
-               memset(&sc->caldata, 0, sizeof(sc->caldata));
-+              ath9k_hw_ani_init(sc->sc_ah);
+               ath_tid_drain(sc, txq, tid);
+-              tid->state &= ~AGGR_ADDBA_COMPLETE;
+-              tid->state &= ~AGGR_CLEANUP;
++              tid->active = false;
+               ath_txq_unlock(sc, txq);
        }
  }
++
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -124,7 +124,7 @@ static bool ath_rx_edma_buf_link(struct 
  
-@@ -2300,6 +2310,7 @@ static int ath9k_tx_last_beacon(struct i
-       struct ath_vif *avp;
-       struct ath_buf *bf;
-       struct ath_tx_status ts;
-+      bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
-       int status;
+       SKB_CB_ATHBUF(skb) = bf;
+       ath9k_hw_addrxbuf_edma(ah, bf->bf_buf_addr, qtype);
+-      skb_queue_tail(&rx_edma->rx_fifo, skb);
++      __skb_queue_tail(&rx_edma->rx_fifo, skb);
  
-       vif = sc->beacon.bslot[0];
-@@ -2310,7 +2321,7 @@ static int ath9k_tx_last_beacon(struct i
-       if (!avp->is_bslot_active)
-               return 0;
+       return true;
+ }
+@@ -155,7 +155,7 @@ static void ath_rx_remove_buffer(struct 
  
--      if (!sc->beacon.tx_processed) {
-+      if (!sc->beacon.tx_processed && !edma) {
-               tasklet_disable(&sc->bcon_tasklet);
+       rx_edma = &sc->rx.rx_edma[qtype];
  
-               bf = avp->av_bcbuf;
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -2296,9 +2296,12 @@ void ath_tx_edma_tasklet(struct ath_soft
-                       break;
+-      while ((skb = skb_dequeue(&rx_edma->rx_fifo)) != NULL) {
++      while ((skb = __skb_dequeue(&rx_edma->rx_fifo)) != NULL) {
+               bf = SKB_CB_ATHBUF(skb);
+               BUG_ON(!bf);
+               list_add_tail(&bf->list, &sc->rx.rxbuf);
+@@ -1287,13 +1287,13 @@ int ath_rx_tasklet(struct ath_softc *sc,
+                       goto requeue_drop_frag;
                }
  
--              /* Skip beacon completions */
--              if (ts.qid == sc->beacon.beaconq)
-+              /* Process beacon completions separately */
-+              if (ts.qid == sc->beacon.beaconq) {
-+                      sc->beacon.tx_processed = true;
-+                      sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
-                       continue;
-+              }
-               txq = &sc->tx.txq[ts.qid];
+-              bf->bf_mpdu = requeue_skb;
+-              bf->bf_buf_addr = new_buf_addr;
+-
+               /* Unmap the frame */
+               dma_unmap_single(sc->dev, bf->bf_buf_addr,
+                                common->rx_bufsize, dma_type);
  
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -299,7 +299,6 @@ struct ath_tx {
++              bf->bf_mpdu = requeue_skb;
++              bf->bf_buf_addr = new_buf_addr;
++
+               skb_put(skb, rs.rs_datalen + ah->caps.rx_status_len);
+               if (ah->caps.rx_status_len)
+                       skb_pull(skb, ah->caps.rx_status_len);
+--- a/net/wireless/core.c
++++ b/net/wireless/core.c
+@@ -885,7 +885,6 @@ void cfg80211_leave(struct cfg80211_regi
+ #endif
+               __cfg80211_disconnect(rdev, dev,
+                                     WLAN_REASON_DEAUTH_LEAVING, true);
+-              cfg80211_mlme_down(rdev, dev);
+               wdev_unlock(wdev);
+               break;
+       case NL80211_IFTYPE_MESH_POINT:
+--- a/net/wireless/sme.c
++++ b/net/wireless/sme.c
+@@ -961,7 +961,7 @@ int __cfg80211_disconnect(struct cfg8021
+               /* was it connected by userspace SME? */
+               if (!wdev->conn) {
+                       cfg80211_mlme_down(rdev, dev);
+-                      return 0;
++                      goto disconnect;
+               }
  
- struct ath_rx_edma {
-       struct sk_buff_head rx_fifo;
--      struct sk_buff_head rx_buffers;
-       u32 rx_fifo_hwsize;
- };
+               if (wdev->sme_state == CFG80211_SME_CONNECTING &&
+@@ -987,6 +987,7 @@ int __cfg80211_disconnect(struct cfg8021
+                       return err;
+       }
  
---- a/drivers/net/wireless/ath/ath9k/ani.c
-+++ b/drivers/net/wireless/ath/ath9k/ani.c
-@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry
-       {  5,  4,  1  }, /* lvl 5 */
-       {  6,  5,  1  }, /* lvl 6 */
-       {  7,  6,  1  }, /* lvl 7 */
--      {  7,  7,  1  }, /* lvl 8 */
--      {  7,  8,  0  }  /* lvl 9 */
-+      {  7,  6,  0  }, /* lvl 8 */
-+      {  7,  7,  0  }  /* lvl 9 */
- };
- #define ATH9K_ANI_OFDM_NUM_LEVEL \
-       ARRAY_SIZE(ofdm_level_table)
-@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry 
-       {  4,  0  }, /* lvl 4 */
-       {  5,  0  }, /* lvl 5 */
-       {  6,  0  }, /* lvl 6 */
--      {  7,  0  }, /* lvl 7 (only for high rssi) */
--      {  8,  0  }  /* lvl 8 (only for high rssi) */
-+      {  6,  0  }, /* lvl 7 (only for high rssi) */
-+      {  7,  0  }  /* lvl 8 (only for high rssi) */
- };
++ disconnect:
+       if (wdev->sme_state == CFG80211_SME_CONNECTED)
+               __cfg80211_disconnected(dev, NULL, 0, 0, false);
+       else if (wdev->sme_state == CFG80211_SME_CONNECTING)
+--- a/drivers/net/wireless/ath/ath9k/rc.c
++++ b/drivers/net/wireless/ath/ath9k/rc.c
+@@ -1227,10 +1227,7 @@ static bool ath_tx_aggr_check(struct ath
+               return false;
  
- #define ATH9K_ANI_CCK_NUM_LEVEL \
-@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct
-                                    ATH9K_ANI_FIRSTEP_LEVEL,
-                                    entry_ofdm->fir_step_level);
--      if ((ah->opmode != NL80211_IFTYPE_STATION &&
--           ah->opmode != NL80211_IFTYPE_ADHOC) ||
--          aniState->noiseFloor <= aniState->rssiThrHigh) {
--              if (aniState->ofdmWeakSigDetectOff)
--                      /* force on ofdm weak sig detect */
--                      ath9k_hw_ani_control(ah,
--                              ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
--                                           true);
--              else if (aniState->ofdmWeakSigDetectOff ==
--                       entry_ofdm->ofdm_weak_signal_on)
-+      if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
-+          (aniState->ofdmWeakSigDetectOff !=
-+           entry_ofdm->ofdm_weak_signal_on)) {
-                       ath9k_hw_ani_control(ah,
-                               ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
-                               entry_ofdm->ofdm_weak_signal_on);
-@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw 
-               ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
-               cckPhyErrRate, aniState->ofdmsTurn);
--      if (aniState->listenTime > 5 * ah->aniperiod) {
--              if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
--                  cckPhyErrRate <= ah->config.cck_trig_low) {
-+      if (aniState->listenTime > ah->aniperiod) {
-+              if (cckPhyErrRate < ah->config.cck_trig_low &&
-+                  ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
-+                    aniState->ofdmNoiseImmunityLevel <
-+                    ATH9K_ANI_OFDM_DEF_LEVEL) ||
-+                   (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
-+                    aniState->ofdmNoiseImmunityLevel >=
-+                    ATH9K_ANI_OFDM_DEF_LEVEL))) {
-                       ath9k_hw_ani_lower_immunity(ah);
-                       aniState->ofdmsTurn = !aniState->ofdmsTurn;
--              }
--              ath9k_ani_restart(ah);
--      } else if (aniState->listenTime > ah->aniperiod) {
--              /* check to see if need to raise immunity */
--              if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
--                  (cckPhyErrRate <= ah->config.cck_trig_high ||
--                   aniState->ofdmsTurn)) {
-+              } else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
-+                          aniState->ofdmNoiseImmunityLevel >=
-+                          ATH9K_ANI_OFDM_DEF_LEVEL) ||
-+                         (ofdmPhyErrRate >
-+                          ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
-+                          aniState->ofdmNoiseImmunityLevel <
-+                          ATH9K_ANI_OFDM_DEF_LEVEL)) {
-                       ath9k_hw_ani_ofdm_err_trigger(ah);
--                      ath9k_ani_restart(ah);
-                       aniState->ofdmsTurn = false;
-               } else if (cckPhyErrRate > ah->config.cck_trig_high) {
-                       ath9k_hw_ani_cck_err_trigger(ah);
--                      ath9k_ani_restart(ah);
-                       aniState->ofdmsTurn = true;
-               }
-+              ath9k_ani_restart(ah);
-       }
- }
- EXPORT_SYMBOL(ath9k_hw_ani_monitor);
-@@ -911,3 +908,4 @@ void ath9k_hw_ani_init(struct ath_hw *ah
-       ath9k_ani_restart(ah);
-       ath9k_enable_mib_counters(ah);
- }
-+EXPORT_SYMBOL(ath9k_hw_ani_init);
---- a/drivers/net/wireless/ath/ath9k/ani.h
-+++ b/drivers/net/wireless/ath/ath9k/ani.h
-@@ -25,11 +25,13 @@
- /* units are errors per second */
- #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
--#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
-+#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      3500
-+#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
- /* units are errors per second */
- #define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
- #define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
-+#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
- /* units are errors per second */
- #define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
-@@ -53,7 +55,7 @@
- #define ATH9K_ANI_RSSI_THR_LOW            7
- #define ATH9K_ANI_PERIOD_OLD              100
--#define ATH9K_ANI_PERIOD_NEW              1000
-+#define ATH9K_ANI_PERIOD_NEW              300
- /* in ms */
- #define ATH9K_ANI_POLLINTERVAL_OLD        100
---- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-@@ -1056,46 +1056,8 @@ static bool ar5008_hw_ani_control_old(st
-               break;
-       }
-       case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
--              static const int m1ThreshLow[] = { 127, 50 };
--              static const int m2ThreshLow[] = { 127, 40 };
--              static const int m1Thresh[] = { 127, 0x4d };
--              static const int m2Thresh[] = { 127, 0x40 };
--              static const int m2CountThr[] = { 31, 16 };
--              static const int m2CountThrLow[] = { 63, 48 };
-               u32 on = param ? 1 : 0;
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
--                            m1ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
--                            m2ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M1_THRESH,
--                            m1Thresh[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2_THRESH,
--                            m2Thresh[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2COUNT_THR,
--                            m2CountThr[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
--                            m2CountThrLow[on]);
--
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
--                            m1ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
--                            m2ThreshLow[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH,
--                            m1Thresh[on]);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH,
--                            m2Thresh[on]);
--
-               if (on)
-                       REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
-                                   AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -824,55 +824,6 @@ static bool ar9003_hw_ani_control(struct
-                * on == 0 means more noise imm
-                */
-               u32 on = param ? 1 : 0;
--              /*
--               * make register setting for default
--               * (weak sig detect ON) come from INI file
--               */
--              int m1ThreshLow = on ?
--                      aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
--              int m2ThreshLow = on ?
--                      aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
--              int m1Thresh = on ?
--                      aniState->iniDef.m1Thresh : m1Thresh_off;
--              int m2Thresh = on ?
--                      aniState->iniDef.m2Thresh : m2Thresh_off;
--              int m2CountThr = on ?
--                      aniState->iniDef.m2CountThr : m2CountThr_off;
--              int m2CountThrLow = on ?
--                      aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
--              int m1ThreshLowExt = on ?
--                      aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
--              int m2ThreshLowExt = on ?
--                      aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
--              int m1ThreshExt = on ?
--                      aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
--              int m2ThreshExt = on ?
--                      aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
--
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
--                            m1ThreshLow);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
--                            m2ThreshLow);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M1_THRESH, m1Thresh);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2_THRESH, m2Thresh);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
--                            AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
--                            AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
--                            m2CountThrLow);
+       txtid = ATH_AN_2_TID(an, tidno);
 -
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
--              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
--                            AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
-               if (on)
-                       REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
---- a/drivers/net/wireless/rt2x00/rt2x00dev.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
-@@ -430,10 +430,14 @@ void rt2x00lib_txdone(struct queue_entry
-       /*
-        * If the data queue was below the threshold before the txdone
-        * handler we must make sure the packet queue in the mac80211 stack
--       * is reenabled when the txdone handler has finished.
-+       * is reenabled when the txdone handler has finished. This has to be
-+       * serialized with rt2x00mac_tx(), otherwise we can wake up queue
-+       * before it was stopped.
-        */
-+      spin_lock_bh(&entry->queue->tx_lock);
-       if (!rt2x00queue_threshold(entry->queue))
-               rt2x00queue_unpause_queue(entry->queue);
-+      spin_unlock_bh(&entry->queue->tx_lock);
+-      if (!(txtid->state & (AGGR_ADDBA_COMPLETE | AGGR_ADDBA_PROGRESS)))
+-                      return true;
+-      return false;
++      return !txtid->active;
  }
- EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
---- a/drivers/net/wireless/rt2x00/rt2x00mac.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
-@@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *h
-       if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false)))
-               goto exit_fail;
  
-+      /*
-+       * Pausing queue has to be serialized with rt2x00lib_txdone(). Note
-+       * we should not use spin_lock_bh variant as bottom halve was already
-+       * disabled before ieee80211_xmit() call.
-+       */
-+      spin_lock(&queue->tx_lock);
-       if (rt2x00queue_threshold(queue))
-               rt2x00queue_pause_queue(queue);
-+      spin_unlock(&queue->tx_lock);
-       return;
  
-  exit_fail:
-+      spin_lock(&queue->tx_lock);
-       rt2x00queue_pause_queue(queue);
-+      spin_unlock(&queue->tx_lock);
-  exit_free_skb:
-       ieee80211_free_txskb(hw, skb);
- }
---- a/drivers/net/wireless/rt2x00/rt2x00queue.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
-@@ -619,6 +619,9 @@ int rt2x00queue_write_tx_frame(struct da
-       else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags))
-               rt2x00queue_align_frame(skb);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -334,7 +334,8 @@ static void ar9003_hw_spur_ofdm(struct a
+       REG_RMW_FIELD(ah, AR_PHY_SPUR_REG,
+                     AR_PHY_SPUR_REG_EN_VIT_SPUR_RSSI, 1);
+-      if (REG_READ_FIELD(ah, AR_PHY_MODE,
++      if (!AR_SREV_9340(ah) &&
++          REG_READ_FIELD(ah, AR_PHY_MODE,
+                          AR_PHY_MODE_DYNAMIC) == 0x1)
+               REG_RMW_FIELD(ah, AR_PHY_SPUR_REG,
+                             AR_PHY_SPUR_REG_ENABLE_NF_RSSI_SPUR_MIT, 1);
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -410,7 +410,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw
  
-+      /*
-+       * That function must be called with bh disabled.
-+       */
-       spin_lock(&queue->tx_lock);
+       REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
  
-       if (unlikely(rt2x00queue_full(queue))) {
+-      if (AR_SREV_9340(ah))
++      if (AR_SREV_9340(ah) && !AR_SREV_9340_13_OR_LATER(ah))
+               REG_WRITE(ah, AR_DMISC(q),
+                         AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1);
+       else